What is the Least Common Multiple of 39971 and 39977?

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 39971 and 39977 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39971 and 39977, than apply into the LCM equation.

GCF(39971,39977) = 1
LCM(39971,39977) = ( 39971 × 39977) / 1
LCM(39971,39977) = 1597920667 / 1
LCM(39971,39977) = 1597920667

Least Common Multiple (LCM) of 39971 and 39977 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39971 and 39977. First we will calculate the prime factors of 39971 and 39977.

Prime Factorization of 39971

Prime Factorization of 39977

Now multiplying the highest exponent prime factors to calculate the LCM of 39971 and 39977.

LCM(39971,39977) = 39971¹ × 7¹ × 5711¹
LCM(39971,39977) = 1597920667