What is the Least Common Multiple of 3971 and 3977?

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 3971 and 3977 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3971 and 3977, than apply into the LCM equation.

GCF(3971,3977) = 1
LCM(3971,3977) = ( 3971 × 3977) / 1
LCM(3971,3977) = 15792667 / 1
LCM(3971,3977) = 15792667

Least Common Multiple (LCM) of 3971 and 3977 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3971 and 3977. First we will calculate the prime factors of 3971 and 3977.

Prime Factorization of 3971

Prime Factorization of 3977

Now multiplying the highest exponent prime factors to calculate the LCM of 3971 and 3977.

LCM(3971,3977) = 11¹ × 19² × 41¹ × 97¹
LCM(3971,3977) = 15792667