Skip to content

Erdős problem 730

Are there infinitely many pairs of integers n<mn < m such that (2nn)\binom{2n}{n} and (2mm)\binom{2m}{m} have the same set of prime divisors?

No current result

No reviewed Result is current in Vela Mathematics Program. Retained source material is shown below.

Retained declaration

FormalConjectures/ErdosProblems/730.lean

Formal Conjectures

FormalConjectures/ErdosProblems/730.leanErdos730.erdos_7301 lineExact file
TrueErdos730.S.Infinite
OpenStatement only, no proofformal statement reference

Proof manifests naming this Problem

  • William Blair Lean proofswilliamjblair:Erdos730.audit_unitBand_complement_iff
  • William Blair Lean proofswilliamjblair:Erdos730.audit_unitBand_slack_ge_iff
  • William Blair Lean proofswilliamjblair:Erdos730.audit_unitBandEnvelope_iff
  • William Blair Lean proofswilliamjblair:Erdos730.ConsecutiveTransition.consecutive_primeFactors_eq_iff_transitionConditions
  • William Blair Lean proofswilliamjblair:Erdos730.ConsecutiveTransition.exists_obstruction_of_primeFactors_ne
  • William Blair Lean proofswilliamjblair:Erdos730.cutoff_lt_of_unitBand_maximal
  • William Blair Lean proofswilliamjblair:Erdos730.densityBudget_final_lt
  • William Blair Lean proofswilliamjblair:Erdos730.dyadicThresholdBase_strictMono_step
  • William Blair Lean proofswilliamjblair:Erdos730.eight_mul_sq_le_succ_cube
  • William Blair Lean proofswilliamjblair:Erdos730.endpoint_payment_identity
  • William Blair Lean proofswilliamjblair:Erdos730.endpoint_payment_lt_one_percent
  • William Blair Lean proofswilliamjblair:Erdos730.endpoint_powered_threshold_certificate
  • William Blair Lean proofswilliamjblair:Erdos730.finite_geometric_prime_power_tail
  • William Blair Lean proofswilliamjblair:Erdos730.finite_prime_power_pair_count
  • William Blair Lean proofswilliamjblair:Erdos730.finite_reciprocal_square_tail
  • William Blair Lean proofswilliamjblair:Erdos730.finite_reciprocal_tail_from_root_envelopes
  • William Blair Lean proofswilliamjblair:Erdos730.FirstPowerRoutes.first_power_fixed_upper_slope
  • William Blair Lean proofswilliamjblair:Erdos730.FirstPowerRoutes.improved_higher_power_ceiling_lt_three_tenths
  • William Blair Lean proofswilliamjblair:Erdos730.FirstPowerRoutes.normalized_block_cover_six_fifths
  • William Blair Lean proofswilliamjblair:Erdos730.FirstPowerRoutes.q_top_low_digit_large
  • William Blair Lean proofswilliamjblair:Erdos730.FirstPowerRoutes.q_top_small_cofactor_of_square_lt
  • William Blair Lean proofswilliamjblair:Erdos730.FirstPowerRoutes.q_top_two_digit_large
  • William Blair Lean proofswilliamjblair:Erdos730.FirstPowerRoutes.remaining_first_power_budget
  • William Blair Lean proofswilliamjblair:Erdos730.FirstPowerRoutes.s_top_low_digit_large
  • William Blair Lean proofswilliamjblair:Erdos730.FirstPowerRoutes.s_top_small_cofactor_of_square_lt
  • William Blair Lean proofswilliamjblair:Erdos730.FirstPowerRoutes.s_top_two_digit_large
  • William Blair Lean proofswilliamjblair:Erdos730.FullDensityCore.branches_pairwise_coprime
  • William Blair Lean proofswilliamjblair:Erdos730.FullDensityCore.product_identity
  • William Blair Lean proofswilliamjblair:Erdos730.FullDensityCore.switching_allowed_class_count_certificate
  • William Blair Lean proofswilliamjblair:Erdos730.FullDensityTheorem.pairSet_infinite
  • William Blair Lean proofswilliamjblair:Erdos730.halfBand_endpoint_payment_lt_one_percent
  • William Blair Lean proofswilliamjblair:Erdos730.halfBand_endpoint_powered_threshold_certificate
  • William Blair Lean proofswilliamjblair:Erdos730.halfBandEnvelope_forces_high_exponent
  • William Blair Lean proofswilliamjblair:Erdos730.halfBandEnvelope_prime_power_clearance
  • William Blair Lean proofswilliamjblair:Erdos730.halfDigitParity_probabilityError
  • William Blair Lean proofswilliamjblair:Erdos730.higherPrimePowerPairs_card_le
  • William Blair Lean proofswilliamjblair:Erdos730.KummerTransition.not_dvd_centralBinom_iff_lowerHalfDigits
  • William Blair Lean proofswilliamjblair:Erdos730.nearEnvelope_forces_high_exponent
  • William Blair Lean proofswilliamjblair:Erdos730.nearEnvelope_prime_power_clearance
  • William Blair Lean proofswilliamjblair:Erdos730.ObstructionMaps.PhiP_root_progression
  • William Blair Lean proofswilliamjblair:Erdos730.ObstructionMaps.PhiQ_root_progression
  • William Blair Lean proofswilliamjblair:Erdos730.ObstructionMaps.PhiR_root_progression
  • William Blair Lean proofswilliamjblair:Erdos730.ObstructionMaps.PhiS_root_progression
  • William Blair Lean proofswilliamjblair:Erdos730.ObstructionMaps.prime_dvd_residual_support
  • William Blair Lean proofswilliamjblair:Erdos730.padicBranchAllowedCount_le
  • William Blair Lean proofswilliamjblair:Erdos730.padicBranchMap_bijective
  • William Blair Lean proofswilliamjblair:Erdos730.powered_threshold_of_halfBand_maximal
  • William Blair Lean proofswilliamjblair:Erdos730.powered_threshold_of_near_maximal
  • William Blair Lean proofswilliamjblair:Erdos730.restrictedDigitBox_card
  • William Blair Lean proofswilliamjblair:Erdos730.tendsto_higherPrimePowerPairs_card_div
  • William Blair Lean proofswilliamjblair:Erdos730.tendsto_tsum_higherPower_of_dominated
  • William Blair Lean proofswilliamjblair:Erdos730.unitBand_endpoint_cuberoot_floor_certificate
  • William Blair Lean proofswilliamjblair:Erdos730.unitBand_endpoint_payment_identity
  • William Blair Lean proofswilliamjblair:Erdos730.unitBand_endpoint_payment_lt_one_percent
  • William Blair Lean proofswilliamjblair:Erdos730.unitBand_endpoint_payment_margin
  • William Blair Lean proofswilliamjblair:Erdos730.unitBand_endpoint_sqrt_floor_certificate
  • William Blair Lean proofswilliamjblair:Erdos730.unitBand_endpoint_threshold_certificate
  • William Blair Lean proofswilliamjblair:Erdos730.unitBandDyadicThresholdBase_strictMono_step
  • William Blair Lean proofswilliamjblair:Erdos730.unitBandEnvelope_forces_high_exponent
  • William Blair Lean proofswilliamjblair:Erdos730.unitBandEnvelope_prime_power_clearance
  • William Blair Lean proofswilliamjblair:Erdos730.UnitRangeBlock.higher_prime_power_payment_ceiling_lt_half
  • William Blair Lean proofswilliamjblair:Erdos730.UnitRangeBlock.normalized_block_cover_cross_bound
  • William Blair Lean proofswilliamjblair:Erdos730.UnitRangeBlock.quadratic_block_difference_dvd_sq
  • William Blair Lean proofswilliamjblair:Erdos730.UnitRangeBlock.quadratic_block_expansion

Reported activity

Work these sources record against this Problem. Source-reported attribution, not reviewed here.

Continue

Search problems.science

Find a Problem, Result, source, or page