What is the Least Common Multiple of 87651 and 87665?

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 87651 and 87665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87651 and 87665, than apply into the LCM equation.

GCF(87651,87665) = 1
LCM(87651,87665) = ( 87651 × 87665) / 1
LCM(87651,87665) = 7683924915 / 1
LCM(87651,87665) = 7683924915

Least Common Multiple (LCM) of 87651 and 87665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87651 and 87665. First we will calculate the prime factors of 87651 and 87665.

Prime Factorization of 87651

Prime Factorization of 87665

Now multiplying the highest exponent prime factors to calculate the LCM of 87651 and 87665.

LCM(87651,87665) = 3² × 9739¹ × 5¹ × 89¹ × 197¹
LCM(87651,87665) = 7683924915