What is the Least Common Multiple of 39972 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 39972 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 39972 and 39977, than apply into the LCM equation.

GCF(39972,39977) = 1
LCM(39972,39977) = ( 39972 × 39977) / 1
LCM(39972,39977) = 1597960644 / 1
LCM(39972,39977) = 1597960644

Least Common Multiple (LCM) of 39972 and 39977 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39972 and 39977. First we will calculate the prime factors of 39972 and 39977.

Prime Factorization of 39972

Prime Factorization of 39977

Now multiplying the highest exponent prime factors to calculate the LCM of 39972 and 39977.

LCM(39972,39977) = 2² × 3¹ × 3331¹ × 7¹ × 5711¹
LCM(39972,39977) = 1597960644