What is the Least Common Multiple of 74721 and 74731?

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 74721 and 74731 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74721 and 74731, than apply into the LCM equation.

GCF(74721,74731) = 1
LCM(74721,74731) = ( 74721 × 74731) / 1
LCM(74721,74731) = 5583975051 / 1
LCM(74721,74731) = 5583975051

Least Common Multiple (LCM) of 74721 and 74731 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74721 and 74731. First we will calculate the prime factors of 74721 and 74731.

Prime Factorization of 74721

Prime Factorization of 74731

Now multiplying the highest exponent prime factors to calculate the LCM of 74721 and 74731.

LCM(74721,74731) = 3¹ × 24907¹ × 74731¹
LCM(74721,74731) = 5583975051