What is the Least Common Multiple of 91570 and 91588?

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 91570 and 91588 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91570 and 91588, than apply into the LCM equation.

GCF(91570,91588) = 2
LCM(91570,91588) = ( 91570 × 91588) / 2
LCM(91570,91588) = 8386713160 / 2
LCM(91570,91588) = 4193356580

Least Common Multiple (LCM) of 91570 and 91588 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91570 and 91588. First we will calculate the prime factors of 91570 and 91588.

Prime Factorization of 91570

Prime Factorization of 91588

Now multiplying the highest exponent prime factors to calculate the LCM of 91570 and 91588.

LCM(91570,91588) = 2² × 5¹ × 9157¹ × 7¹ × 3271¹
LCM(91570,91588) = 4193356580