What is the Least Common Multiple of 75570 and 75580?

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 75570 and 75580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75570 and 75580, than apply into the LCM equation.

GCF(75570,75580) = 10
LCM(75570,75580) = ( 75570 × 75580) / 10
LCM(75570,75580) = 5711580600 / 10
LCM(75570,75580) = 571158060

Least Common Multiple (LCM) of 75570 and 75580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75570 and 75580. First we will calculate the prime factors of 75570 and 75580.

Prime Factorization of 75570

Prime Factorization of 75580

Now multiplying the highest exponent prime factors to calculate the LCM of 75570 and 75580.

LCM(75570,75580) = 2² × 3¹ × 5¹ × 11¹ × 229¹ × 3779¹
LCM(75570,75580) = 571158060