GCF and LCM Calculator Logo

What is the Least Common Multiple of 79389 and 79400?

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 79389 and 79400 is 6303486600.

LCM(79389,79400) = 6303486600

LCM Calculator and
and

Least Common Multiple of 79389 and 79400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79389 and 79400, than apply into the LCM equation.

GCF(79389,79400) = 1
LCM(79389,79400) = ( 79389 × 79400) / 1
LCM(79389,79400) = 6303486600 / 1
LCM(79389,79400) = 6303486600

Least Common Multiple (LCM) of 79389 and 79400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79389 and 79400. First we will calculate the prime factors of 79389 and 79400.

Prime Factorization of 79389

Prime factors of 79389 are 3, 8821. Prime factorization of 79389 in exponential form is:

79389 = 32 × 88211

Prime Factorization of 79400

Prime factors of 79400 are 2, 5, 397. Prime factorization of 79400 in exponential form is:

79400 = 23 × 52 × 3971

Now multiplying the highest exponent prime factors to calculate the LCM of 79389 and 79400.

LCM(79389,79400) = 32 × 88211 × 23 × 52 × 3971
LCM(79389,79400) = 6303486600