What is the Least Common Multiple of 8457 and 8472?

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 8457 and 8472 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8457 and 8472, than apply into the LCM equation.

GCF(8457,8472) = 3
LCM(8457,8472) = ( 8457 × 8472) / 3
LCM(8457,8472) = 71647704 / 3
LCM(8457,8472) = 23882568

Least Common Multiple (LCM) of 8457 and 8472 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8457 and 8472. First we will calculate the prime factors of 8457 and 8472.

Prime Factorization of 8457

Prime Factorization of 8472

Now multiplying the highest exponent prime factors to calculate the LCM of 8457 and 8472.

LCM(8457,8472) = 3¹ × 2819¹ × 2³ × 353¹
LCM(8457,8472) = 23882568