GCF and LCM Calculator Logo

What is the Least Common Multiple of 71925 and 71931?

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 71925 and 71931 is 1724545725.

LCM(71925,71931) = 1724545725

LCM Calculator and
and

Least Common Multiple of 71925 and 71931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71925 and 71931, than apply into the LCM equation.

GCF(71925,71931) = 3
LCM(71925,71931) = ( 71925 × 71931) / 3
LCM(71925,71931) = 5173637175 / 3
LCM(71925,71931) = 1724545725

Least Common Multiple (LCM) of 71925 and 71931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71925 and 71931. First we will calculate the prime factors of 71925 and 71931.

Prime Factorization of 71925

Prime factors of 71925 are 3, 5, 7, 137. Prime factorization of 71925 in exponential form is:

71925 = 31 × 52 × 71 × 1371

Prime Factorization of 71931

Prime factors of 71931 are 3, 23977. Prime factorization of 71931 in exponential form is:

71931 = 31 × 239771

Now multiplying the highest exponent prime factors to calculate the LCM of 71925 and 71931.

LCM(71925,71931) = 31 × 52 × 71 × 1371 × 239771
LCM(71925,71931) = 1724545725