What is the Least Common Multiple of 56870 and 56885?

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 56870 and 56885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56870 and 56885, than apply into the LCM equation.

GCF(56870,56885) = 5
LCM(56870,56885) = ( 56870 × 56885) / 5
LCM(56870,56885) = 3235049950 / 5
LCM(56870,56885) = 647009990

Least Common Multiple (LCM) of 56870 and 56885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56870 and 56885. First we will calculate the prime factors of 56870 and 56885.

Prime Factorization of 56870

Prime Factorization of 56885

Now multiplying the highest exponent prime factors to calculate the LCM of 56870 and 56885.

LCM(56870,56885) = 2¹ × 5¹ × 11² × 47¹ × 31¹ × 367¹
LCM(56870,56885) = 647009990