What is the Least Common Multiple of 8456 and 8464?

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 8456 and 8464 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8456 and 8464, than apply into the LCM equation.

GCF(8456,8464) = 8
LCM(8456,8464) = ( 8456 × 8464) / 8
LCM(8456,8464) = 71571584 / 8
LCM(8456,8464) = 8946448

Least Common Multiple (LCM) of 8456 and 8464 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8456 and 8464. First we will calculate the prime factors of 8456 and 8464.

Prime Factorization of 8456

Prime Factorization of 8464

Now multiplying the highest exponent prime factors to calculate the LCM of 8456 and 8464.

LCM(8456,8464) = 2⁴ × 7¹ × 151¹ × 23²
LCM(8456,8464) = 8946448