GCF and LCM Calculator Logo

What is the Least Common Multiple of 78637 and 78646?

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 78637 and 78646 is 6184485502.

LCM(78637,78646) = 6184485502

LCM Calculator and
and

Least Common Multiple of 78637 and 78646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78637 and 78646, than apply into the LCM equation.

GCF(78637,78646) = 1
LCM(78637,78646) = ( 78637 × 78646) / 1
LCM(78637,78646) = 6184485502 / 1
LCM(78637,78646) = 6184485502

Least Common Multiple (LCM) of 78637 and 78646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78637 and 78646. First we will calculate the prime factors of 78637 and 78646.

Prime Factorization of 78637

Prime factors of 78637 are 13, 23, 263. Prime factorization of 78637 in exponential form is:

78637 = 131 × 231 × 2631

Prime Factorization of 78646

Prime factors of 78646 are 2, 39323. Prime factorization of 78646 in exponential form is:

78646 = 21 × 393231

Now multiplying the highest exponent prime factors to calculate the LCM of 78637 and 78646.

LCM(78637,78646) = 131 × 231 × 2631 × 21 × 393231
LCM(78637,78646) = 6184485502