GCF and LCM Calculator Logo

What is the Least Common Multiple of 72140 and 72159?

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 72140 and 72159 is 5205550260.

LCM(72140,72159) = 5205550260

LCM Calculator and
and

Least Common Multiple of 72140 and 72159 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72140 and 72159, than apply into the LCM equation.

GCF(72140,72159) = 1
LCM(72140,72159) = ( 72140 × 72159) / 1
LCM(72140,72159) = 5205550260 / 1
LCM(72140,72159) = 5205550260

Least Common Multiple (LCM) of 72140 and 72159 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72140 and 72159. First we will calculate the prime factors of 72140 and 72159.

Prime Factorization of 72140

Prime factors of 72140 are 2, 5, 3607. Prime factorization of 72140 in exponential form is:

72140 = 22 × 51 × 36071

Prime Factorization of 72159

Prime factors of 72159 are 3, 67, 359. Prime factorization of 72159 in exponential form is:

72159 = 31 × 671 × 3591

Now multiplying the highest exponent prime factors to calculate the LCM of 72140 and 72159.

LCM(72140,72159) = 22 × 51 × 36071 × 31 × 671 × 3591
LCM(72140,72159) = 5205550260