What is the Least Common Multiple of 79776 and 79781?

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 79776 and 79781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79776 and 79781, than apply into the LCM equation.

GCF(79776,79781) = 1
LCM(79776,79781) = ( 79776 × 79781) / 1
LCM(79776,79781) = 6364609056 / 1
LCM(79776,79781) = 6364609056

Least Common Multiple (LCM) of 79776 and 79781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79776 and 79781. First we will calculate the prime factors of 79776 and 79781.

Prime Factorization of 79776

Prime Factorization of 79781

Now multiplying the highest exponent prime factors to calculate the LCM of 79776 and 79781.

LCM(79776,79781) = 2⁵ × 3² × 277¹ × 13¹ × 17¹ × 19²
LCM(79776,79781) = 6364609056