What is the Least Common Multiple of 87 and 107?

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 87 and 107 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87 and 107, than apply into the LCM equation.

GCF(87,107) = 1
LCM(87,107) = ( 87 × 107) / 1
LCM(87,107) = 9309 / 1
LCM(87,107) = 9309

Least Common Multiple (LCM) of 87 and 107 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87 and 107. First we will calculate the prime factors of 87 and 107.

Prime Factorization of 87

Prime Factorization of 107

Now multiplying the highest exponent prime factors to calculate the LCM of 87 and 107.

LCM(87,107) = 3¹ × 29¹ × 107¹
LCM(87,107) = 9309