What is the Least Common Multiple of 82870 and 82885?

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 82870 and 82885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 82870 and 82885, than apply into the LCM equation.

GCF(82870,82885) = 5
LCM(82870,82885) = ( 82870 × 82885) / 5
LCM(82870,82885) = 6868679950 / 5
LCM(82870,82885) = 1373735990

Least Common Multiple (LCM) of 82870 and 82885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 82870 and 82885. First we will calculate the prime factors of 82870 and 82885.

Prime Factorization of 82870

Prime Factorization of 82885

Now multiplying the highest exponent prime factors to calculate the LCM of 82870 and 82885.

LCM(82870,82885) = 2¹ × 5¹ × 8287¹ × 11² × 137¹
LCM(82870,82885) = 1373735990