What is the Least Common Multiple of 7664 and 7681?

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 7664 and 7681 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7664 and 7681, than apply into the LCM equation.

GCF(7664,7681) = 1
LCM(7664,7681) = ( 7664 × 7681) / 1
LCM(7664,7681) = 58867184 / 1
LCM(7664,7681) = 58867184

Least Common Multiple (LCM) of 7664 and 7681 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7664 and 7681. First we will calculate the prime factors of 7664 and 7681.

Prime Factorization of 7664

Prime Factorization of 7681

Now multiplying the highest exponent prime factors to calculate the LCM of 7664 and 7681.

LCM(7664,7681) = 2⁴ × 479¹ × 7681¹
LCM(7664,7681) = 58867184