What is the Least Common Multiple of 3957 and 3961?

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 3957 and 3961 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3957 and 3961, than apply into the LCM equation.

GCF(3957,3961) = 1
LCM(3957,3961) = ( 3957 × 3961) / 1
LCM(3957,3961) = 15673677 / 1
LCM(3957,3961) = 15673677

Least Common Multiple (LCM) of 3957 and 3961 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3957 and 3961. First we will calculate the prime factors of 3957 and 3961.

Prime Factorization of 3957

Prime Factorization of 3961

Now multiplying the highest exponent prime factors to calculate the LCM of 3957 and 3961.

LCM(3957,3961) = 3¹ × 1319¹ × 17¹ × 233¹
LCM(3957,3961) = 15673677