What is the Least Common Multiple of 83960 and 83970?

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 83960 and 83970 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83960 and 83970, than apply into the LCM equation.

GCF(83960,83970) = 10
LCM(83960,83970) = ( 83960 × 83970) / 10
LCM(83960,83970) = 7050121200 / 10
LCM(83960,83970) = 705012120

Least Common Multiple (LCM) of 83960 and 83970 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83960 and 83970. First we will calculate the prime factors of 83960 and 83970.

Prime Factorization of 83960

Prime Factorization of 83970

Now multiplying the highest exponent prime factors to calculate the LCM of 83960 and 83970.

LCM(83960,83970) = 2³ × 5¹ × 2099¹ × 3³ × 311¹
LCM(83960,83970) = 705012120