What is the Least Common Multiple of 8657 and 8668?

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 8657 and 8668 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8657 and 8668, than apply into the LCM equation.

GCF(8657,8668) = 11
LCM(8657,8668) = ( 8657 × 8668) / 11
LCM(8657,8668) = 75038876 / 11
LCM(8657,8668) = 6821716

Least Common Multiple (LCM) of 8657 and 8668 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8657 and 8668. First we will calculate the prime factors of 8657 and 8668.

Prime Factorization of 8657

Prime Factorization of 8668

Now multiplying the highest exponent prime factors to calculate the LCM of 8657 and 8668.

LCM(8657,8668) = 11¹ × 787¹ × 2² × 197¹
LCM(8657,8668) = 6821716