GCF and LCM Calculator Logo

What is the Least Common Multiple of 78504 and 78521?

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 78504 and 78521 is 6164212584.

LCM(78504,78521) = 6164212584

LCM Calculator and
and

Least Common Multiple of 78504 and 78521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78504 and 78521, than apply into the LCM equation.

GCF(78504,78521) = 1
LCM(78504,78521) = ( 78504 × 78521) / 1
LCM(78504,78521) = 6164212584 / 1
LCM(78504,78521) = 6164212584

Least Common Multiple (LCM) of 78504 and 78521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78504 and 78521. First we will calculate the prime factors of 78504 and 78521.

Prime Factorization of 78504

Prime factors of 78504 are 2, 3, 3271. Prime factorization of 78504 in exponential form is:

78504 = 23 × 31 × 32711

Prime Factorization of 78521

Prime factors of 78521 are 233, 337. Prime factorization of 78521 in exponential form is:

78521 = 2331 × 3371

Now multiplying the highest exponent prime factors to calculate the LCM of 78504 and 78521.

LCM(78504,78521) = 23 × 31 × 32711 × 2331 × 3371
LCM(78504,78521) = 6164212584