What is the Least Common Multiple of 71917 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 of 71917 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 71917 and 71931, than apply into the LCM equation.

GCF(71917,71931) = 1
LCM(71917,71931) = ( 71917 × 71931) / 1
LCM(71917,71931) = 5173061727 / 1
LCM(71917,71931) = 5173061727

Least Common Multiple (LCM) of 71917 and 71931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71917 and 71931. First we will calculate the prime factors of 71917 and 71931.

Prime Factorization of 71917

Prime Factorization of 71931

Now multiplying the highest exponent prime factors to calculate the LCM of 71917 and 71931.

LCM(71917,71931) = 71917¹ × 3¹ × 23977¹
LCM(71917,71931) = 5173061727