GCF and LCM Calculator Logo

What is the Least Common Multiple of 72620 and 72631?

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 72620 and 72631 is 5274463220.

LCM(72620,72631) = 5274463220

LCM Calculator and
and

Least Common Multiple of 72620 and 72631 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72620 and 72631, than apply into the LCM equation.

GCF(72620,72631) = 1
LCM(72620,72631) = ( 72620 × 72631) / 1
LCM(72620,72631) = 5274463220 / 1
LCM(72620,72631) = 5274463220

Least Common Multiple (LCM) of 72620 and 72631 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72620 and 72631. First we will calculate the prime factors of 72620 and 72631.

Prime Factorization of 72620

Prime factors of 72620 are 2, 5, 3631. Prime factorization of 72620 in exponential form is:

72620 = 22 × 51 × 36311

Prime Factorization of 72631

Prime factors of 72631 are 13, 37, 151. Prime factorization of 72631 in exponential form is:

72631 = 131 × 371 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 72620 and 72631.

LCM(72620,72631) = 22 × 51 × 36311 × 131 × 371 × 1511
LCM(72620,72631) = 5274463220