GCF and LCM Calculator Logo

What is the Least Common Multiple of 31913 and 31928?

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 31913 and 31928 is 1018918264.

LCM(31913,31928) = 1018918264

LCM Calculator and
and

Least Common Multiple of 31913 and 31928 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31913 and 31928, than apply into the LCM equation.

GCF(31913,31928) = 1
LCM(31913,31928) = ( 31913 × 31928) / 1
LCM(31913,31928) = 1018918264 / 1
LCM(31913,31928) = 1018918264

Least Common Multiple (LCM) of 31913 and 31928 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31913 and 31928. First we will calculate the prime factors of 31913 and 31928.

Prime Factorization of 31913

Prime factors of 31913 are 7, 47, 97. Prime factorization of 31913 in exponential form is:

31913 = 71 × 471 × 971

Prime Factorization of 31928

Prime factors of 31928 are 2, 13, 307. Prime factorization of 31928 in exponential form is:

31928 = 23 × 131 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 31913 and 31928.

LCM(31913,31928) = 71 × 471 × 971 × 23 × 131 × 3071
LCM(31913,31928) = 1018918264