What is the Least Common Multiple of 3680 and 3684?

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 3680 and 3684 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3680 and 3684, than apply into the LCM equation.

GCF(3680,3684) = 4
LCM(3680,3684) = ( 3680 × 3684) / 4
LCM(3680,3684) = 13557120 / 4
LCM(3680,3684) = 3389280

Least Common Multiple (LCM) of 3680 and 3684 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3680 and 3684. First we will calculate the prime factors of 3680 and 3684.

Prime Factorization of 3680

Prime Factorization of 3684

Now multiplying the highest exponent prime factors to calculate the LCM of 3680 and 3684.

LCM(3680,3684) = 2⁵ × 5¹ × 23¹ × 3¹ × 307¹
LCM(3680,3684) = 3389280