What is the Least Common Multiple of 56570 and 56585?

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 56570 and 56585 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56570 and 56585, than apply into the LCM equation.

GCF(56570,56585) = 5
LCM(56570,56585) = ( 56570 × 56585) / 5
LCM(56570,56585) = 3201013450 / 5
LCM(56570,56585) = 640202690

Least Common Multiple (LCM) of 56570 and 56585 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56570 and 56585. First we will calculate the prime factors of 56570 and 56585.

Prime Factorization of 56570

Prime Factorization of 56585

Now multiplying the highest exponent prime factors to calculate the LCM of 56570 and 56585.

LCM(56570,56585) = 2¹ × 5¹ × 5657¹ × 11317¹
LCM(56570,56585) = 640202690