GCF and LCM Calculator Logo

What is the Least Common Multiple of 78948 and 78957?

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 78948 and 78957 is 692610804.

LCM(78948,78957) = 692610804

LCM Calculator and
and

Least Common Multiple of 78948 and 78957 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78948 and 78957, than apply into the LCM equation.

GCF(78948,78957) = 9
LCM(78948,78957) = ( 78948 × 78957) / 9
LCM(78948,78957) = 6233497236 / 9
LCM(78948,78957) = 692610804

Least Common Multiple (LCM) of 78948 and 78957 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78948 and 78957. First we will calculate the prime factors of 78948 and 78957.

Prime Factorization of 78948

Prime factors of 78948 are 2, 3, 17, 43. Prime factorization of 78948 in exponential form is:

78948 = 22 × 33 × 171 × 431

Prime Factorization of 78957

Prime factors of 78957 are 3, 31, 283. Prime factorization of 78957 in exponential form is:

78957 = 32 × 311 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 78948 and 78957.

LCM(78948,78957) = 22 × 33 × 171 × 431 × 311 × 2831
LCM(78948,78957) = 692610804