What is the Least Common Multiple of 38870 and 38885?

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 38870 and 38885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38870 and 38885, than apply into the LCM equation.

GCF(38870,38885) = 5
LCM(38870,38885) = ( 38870 × 38885) / 5
LCM(38870,38885) = 1511459950 / 5
LCM(38870,38885) = 302291990

Least Common Multiple (LCM) of 38870 and 38885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38870 and 38885. First we will calculate the prime factors of 38870 and 38885.

Prime Factorization of 38870

Prime Factorization of 38885

Now multiplying the highest exponent prime factors to calculate the LCM of 38870 and 38885.

LCM(38870,38885) = 2¹ × 5¹ × 13² × 23¹ × 7¹ × 11¹ × 101¹
LCM(38870,38885) = 302291990