What is the Least Common Multiple of 87407 and 87415?

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 87407 and 87415 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87407 and 87415, than apply into the LCM equation.

GCF(87407,87415) = 1
LCM(87407,87415) = ( 87407 × 87415) / 1
LCM(87407,87415) = 7640682905 / 1
LCM(87407,87415) = 7640682905

Least Common Multiple (LCM) of 87407 and 87415 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87407 and 87415. First we will calculate the prime factors of 87407 and 87415.

Prime Factorization of 87407

Prime Factorization of 87415

Now multiplying the highest exponent prime factors to calculate the LCM of 87407 and 87415.

LCM(87407,87415) = 87407¹ × 5¹ × 17483¹
LCM(87407,87415) = 7640682905