GCF and LCM Calculator Logo

What is the Least Common Multiple of 78892 and 78912?

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 78892 and 78912 is 1556381376.

LCM(78892,78912) = 1556381376

LCM Calculator and
and

Least Common Multiple of 78892 and 78912 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78892 and 78912, than apply into the LCM equation.

GCF(78892,78912) = 4
LCM(78892,78912) = ( 78892 × 78912) / 4
LCM(78892,78912) = 6225525504 / 4
LCM(78892,78912) = 1556381376

Least Common Multiple (LCM) of 78892 and 78912 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78892 and 78912. First we will calculate the prime factors of 78892 and 78912.

Prime Factorization of 78892

Prime factors of 78892 are 2, 11, 163. Prime factorization of 78892 in exponential form is:

78892 = 22 × 112 × 1631

Prime Factorization of 78912

Prime factors of 78912 are 2, 3, 137. Prime factorization of 78912 in exponential form is:

78912 = 26 × 32 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 78892 and 78912.

LCM(78892,78912) = 26 × 112 × 1631 × 32 × 1371
LCM(78892,78912) = 1556381376