GCF and LCM Calculator Logo

What is the Least Common Multiple of 78537 and 78556?

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 78537 and 78556 is 6169552572.

LCM(78537,78556) = 6169552572

LCM Calculator and
and

Least Common Multiple of 78537 and 78556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78537 and 78556, than apply into the LCM equation.

GCF(78537,78556) = 1
LCM(78537,78556) = ( 78537 × 78556) / 1
LCM(78537,78556) = 6169552572 / 1
LCM(78537,78556) = 6169552572

Least Common Multiple (LCM) of 78537 and 78556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78537 and 78556. First we will calculate the prime factors of 78537 and 78556.

Prime Factorization of 78537

Prime factors of 78537 are 3, 47, 557. Prime factorization of 78537 in exponential form is:

78537 = 31 × 471 × 5571

Prime Factorization of 78556

Prime factors of 78556 are 2, 41, 479. Prime factorization of 78556 in exponential form is:

78556 = 22 × 411 × 4791

Now multiplying the highest exponent prime factors to calculate the LCM of 78537 and 78556.

LCM(78537,78556) = 31 × 471 × 5571 × 22 × 411 × 4791
LCM(78537,78556) = 6169552572