What is the Least Common Multiple of 81256 and 81269?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 81256 and 81269 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81256 and 81269, than apply into the LCM equation.

GCF(81256,81269) = 1
LCM(81256,81269) = ( 81256 × 81269) / 1
LCM(81256,81269) = 6603593864 / 1
LCM(81256,81269) = 6603593864

Least Common Multiple (LCM) of 81256 and 81269 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81256 and 81269. First we will calculate the prime factors of 81256 and 81269.

Prime Factorization of 81256

Prime Factorization of 81269

Now multiplying the highest exponent prime factors to calculate the LCM of 81256 and 81269.

LCM(81256,81269) = 2³ × 7¹ × 1451¹ × 181¹ × 449¹
LCM(81256,81269) = 6603593864