What is the Least Common Multiple of 42672 and 42676?

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 42672 and 42676 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42672 and 42676, than apply into the LCM equation.

GCF(42672,42676) = 4
LCM(42672,42676) = ( 42672 × 42676) / 4
LCM(42672,42676) = 1821070272 / 4
LCM(42672,42676) = 455267568

Least Common Multiple (LCM) of 42672 and 42676 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42672 and 42676. First we will calculate the prime factors of 42672 and 42676.

Prime Factorization of 42672

Prime Factorization of 42676

Now multiplying the highest exponent prime factors to calculate the LCM of 42672 and 42676.

LCM(42672,42676) = 2⁴ × 3¹ × 7¹ × 127¹ × 47¹ × 227¹
LCM(42672,42676) = 455267568