GCF and LCM Calculator Logo

What is the Least Common Multiple of 74416 and 74428?

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 74416 and 74428 is 1384658512.

LCM(74416,74428) = 1384658512

LCM Calculator and
and

Least Common Multiple of 74416 and 74428 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74416 and 74428, than apply into the LCM equation.

GCF(74416,74428) = 4
LCM(74416,74428) = ( 74416 × 74428) / 4
LCM(74416,74428) = 5538634048 / 4
LCM(74416,74428) = 1384658512

Least Common Multiple (LCM) of 74416 and 74428 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74416 and 74428. First we will calculate the prime factors of 74416 and 74428.

Prime Factorization of 74416

Prime factors of 74416 are 2, 4651. Prime factorization of 74416 in exponential form is:

74416 = 24 × 46511

Prime Factorization of 74428

Prime factors of 74428 are 2, 23, 809. Prime factorization of 74428 in exponential form is:

74428 = 22 × 231 × 8091

Now multiplying the highest exponent prime factors to calculate the LCM of 74416 and 74428.

LCM(74416,74428) = 24 × 46511 × 231 × 8091
LCM(74416,74428) = 1384658512