GCF and LCM Calculator Logo

What is the Least Common Multiple of 42637 and 42646?

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 (LCM) of 42637 and 42646 is 1818297502.

LCM(42637,42646) = 1818297502

LCM Calculator and
and

Least Common Multiple of 42637 and 42646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42637 and 42646, than apply into the LCM equation.

GCF(42637,42646) = 1
LCM(42637,42646) = ( 42637 × 42646) / 1
LCM(42637,42646) = 1818297502 / 1
LCM(42637,42646) = 1818297502

Least Common Multiple (LCM) of 42637 and 42646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42637 and 42646. First we will calculate the prime factors of 42637 and 42646.

Prime Factorization of 42637

Prime factors of 42637 are 7, 6091. Prime factorization of 42637 in exponential form is:

42637 = 71 × 60911

Prime Factorization of 42646

Prime factors of 42646 are 2, 21323. Prime factorization of 42646 in exponential form is:

42646 = 21 × 213231

Now multiplying the highest exponent prime factors to calculate the LCM of 42637 and 42646.

LCM(42637,42646) = 71 × 60911 × 21 × 213231
LCM(42637,42646) = 1818297502