What is the Least Common Multiple of 57621 and 57639?

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 57621 and 57639 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57621 and 57639, than apply into the LCM equation.

GCF(57621,57639) = 3
LCM(57621,57639) = ( 57621 × 57639) / 3
LCM(57621,57639) = 3321216819 / 3
LCM(57621,57639) = 1107072273

Least Common Multiple (LCM) of 57621 and 57639 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57621 and 57639. First we will calculate the prime factors of 57621 and 57639.

Prime Factorization of 57621

Prime Factorization of 57639

Now multiplying the highest exponent prime factors to calculate the LCM of 57621 and 57639.

LCM(57621,57639) = 3¹ × 19207¹ × 19213¹
LCM(57621,57639) = 1107072273