What is the Least Common Multiple of 71947 and 71961?

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 71947 and 71961 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71947 and 71961, than apply into the LCM equation.

GCF(71947,71961) = 1
LCM(71947,71961) = ( 71947 × 71961) / 1
LCM(71947,71961) = 5177378067 / 1
LCM(71947,71961) = 5177378067

Least Common Multiple (LCM) of 71947 and 71961 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71947 and 71961. First we will calculate the prime factors of 71947 and 71961.

Prime Factorization of 71947

Prime Factorization of 71961

Now multiplying the highest exponent prime factors to calculate the LCM of 71947 and 71961.

LCM(71947,71961) = 71947¹ × 3¹ × 17² × 83¹
LCM(71947,71961) = 5177378067