GCF and LCM Calculator Logo

What is the Least Common Multiple of 74428 and 74447?

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 74428 and 74447 is 5540941316.

LCM(74428,74447) = 5540941316

LCM Calculator and
and

Least Common Multiple of 74428 and 74447 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74428 and 74447, than apply into the LCM equation.

GCF(74428,74447) = 1
LCM(74428,74447) = ( 74428 × 74447) / 1
LCM(74428,74447) = 5540941316 / 1
LCM(74428,74447) = 5540941316

Least Common Multiple (LCM) of 74428 and 74447 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74428 and 74447. First we will calculate the prime factors of 74428 and 74447.

Prime Factorization of 74428

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

74428 = 22 × 231 × 8091

Prime Factorization of 74447

Prime factors of 74447 are 109, 683. Prime factorization of 74447 in exponential form is:

74447 = 1091 × 6831

Now multiplying the highest exponent prime factors to calculate the LCM of 74428 and 74447.

LCM(74428,74447) = 22 × 231 × 8091 × 1091 × 6831
LCM(74428,74447) = 5540941316