What is the Least Common Multiple of 87070 and 87085?

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 87070 and 87085 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87070 and 87085, than apply into the LCM equation.

GCF(87070,87085) = 5
LCM(87070,87085) = ( 87070 × 87085) / 5
LCM(87070,87085) = 7582490950 / 5
LCM(87070,87085) = 1516498190

Least Common Multiple (LCM) of 87070 and 87085 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87070 and 87085. First we will calculate the prime factors of 87070 and 87085.

Prime Factorization of 87070

Prime Factorization of 87085

Now multiplying the highest exponent prime factors to calculate the LCM of 87070 and 87085.

LCM(87070,87085) = 2¹ × 5¹ × 8707¹ × 17417¹
LCM(87070,87085) = 1516498190