What is the Least Common Multiple of 42604 and 42611?

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 42611 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 42611, than apply into the LCM equation.

GCF(42604,42611) = 1
LCM(42604,42611) = ( 42604 × 42611) / 1
LCM(42604,42611) = 1815399044 / 1
LCM(42604,42611) = 1815399044

Least Common Multiple (LCM) of 42604 and 42611 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42604 and 42611. First we will calculate the prime factors of 42604 and 42611.

Prime Factorization of 42604

Prime Factorization of 42611

Now multiplying the highest exponent prime factors to calculate the LCM of 42604 and 42611.

LCM(42604,42611) = 2² × 10651¹ × 42611¹
LCM(42604,42611) = 1815399044