What is the Least Common Multiple of 42604 and 42624?

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 42604 and 42624 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42604 and 42624, than apply into the LCM equation.

GCF(42604,42624) = 4
LCM(42604,42624) = ( 42604 × 42624) / 4
LCM(42604,42624) = 1815952896 / 4
LCM(42604,42624) = 453988224

Least Common Multiple (LCM) of 42604 and 42624 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42604 and 42624. First we will calculate the prime factors of 42604 and 42624.

Prime Factorization of 42604

Prime Factorization of 42624

Now multiplying the highest exponent prime factors to calculate the LCM of 42604 and 42624.

LCM(42604,42624) = 2⁷ × 10651¹ × 3² × 37¹
LCM(42604,42624) = 453988224