What is the Least Common Multiple of 64531 and 64538?

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 64531 and 64538 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64531 and 64538, than apply into the LCM equation.

GCF(64531,64538) = 1
LCM(64531,64538) = ( 64531 × 64538) / 1
LCM(64531,64538) = 4164701678 / 1
LCM(64531,64538) = 4164701678

Least Common Multiple (LCM) of 64531 and 64538 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64531 and 64538. First we will calculate the prime factors of 64531 and 64538.

Prime Factorization of 64531

Prime Factorization of 64538

Now multiplying the highest exponent prime factors to calculate the LCM of 64531 and 64538.

LCM(64531,64538) = 47¹ × 1373¹ × 2¹ × 23² × 61¹
LCM(64531,64538) = 4164701678