What is the Least Common Multiple of 42491 and 42502?

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 42491 and 42502 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42491 and 42502, than apply into the LCM equation.

GCF(42491,42502) = 1
LCM(42491,42502) = ( 42491 × 42502) / 1
LCM(42491,42502) = 1805952482 / 1
LCM(42491,42502) = 1805952482

Least Common Multiple (LCM) of 42491 and 42502 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42491 and 42502. First we will calculate the prime factors of 42491 and 42502.

Prime Factorization of 42491

Prime Factorization of 42502

Now multiplying the highest exponent prime factors to calculate the LCM of 42491 and 42502.

LCM(42491,42502) = 42491¹ × 2¹ × 79¹ × 269¹
LCM(42491,42502) = 1805952482