What is the Least Common Multiple of 81951 and 81957?

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 81951 and 81957 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81951 and 81957, than apply into the LCM equation.

GCF(81951,81957) = 3
LCM(81951,81957) = ( 81951 × 81957) / 3
LCM(81951,81957) = 6716458107 / 3
LCM(81951,81957) = 2238819369

Least Common Multiple (LCM) of 81951 and 81957 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81951 and 81957. First we will calculate the prime factors of 81951 and 81957.

Prime Factorization of 81951

Prime Factorization of 81957

Now multiplying the highest exponent prime factors to calculate the LCM of 81951 and 81957.

LCM(81951,81957) = 3¹ × 59¹ × 463¹ × 17¹ × 1607¹
LCM(81951,81957) = 2238819369