What is the Least Common Multiple of 87915 and 87931?

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 87915 and 87931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87915 and 87931, than apply into the LCM equation.

GCF(87915,87931) = 1
LCM(87915,87931) = ( 87915 × 87931) / 1
LCM(87915,87931) = 7730453865 / 1
LCM(87915,87931) = 7730453865

Least Common Multiple (LCM) of 87915 and 87931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87915 and 87931. First we will calculate the prime factors of 87915 and 87931.

Prime Factorization of 87915

Prime Factorization of 87931

Now multiplying the highest exponent prime factors to calculate the LCM of 87915 and 87931.

LCM(87915,87931) = 3¹ × 5¹ × 5861¹ × 87931¹
LCM(87915,87931) = 7730453865