What is the Least Common Multiple of 91570 and 91576?

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 91576 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 91576, than apply into the LCM equation.

GCF(91570,91576) = 2
LCM(91570,91576) = ( 91570 × 91576) / 2
LCM(91570,91576) = 8385614320 / 2
LCM(91570,91576) = 4192807160

Least Common Multiple (LCM) of 91570 and 91576 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91570 and 91576. First we will calculate the prime factors of 91570 and 91576.

Prime Factorization of 91570

Prime Factorization of 91576

Now multiplying the highest exponent prime factors to calculate the LCM of 91570 and 91576.

LCM(91570,91576) = 2³ × 5¹ × 9157¹ × 11447¹
LCM(91570,91576) = 4192807160