GCF and LCM Calculator Logo

What is the Least Common Multiple of 28646 and 28662?

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 (LCM) of 28646 and 28662 is 410525826.

LCM(28646,28662) = 410525826

LCM Calculator and
and

Least Common Multiple of 28646 and 28662 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28646 and 28662, than apply into the LCM equation.

GCF(28646,28662) = 2
LCM(28646,28662) = ( 28646 × 28662) / 2
LCM(28646,28662) = 821051652 / 2
LCM(28646,28662) = 410525826

Least Common Multiple (LCM) of 28646 and 28662 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28646 and 28662. First we will calculate the prime factors of 28646 and 28662.

Prime Factorization of 28646

Prime factors of 28646 are 2, 14323. Prime factorization of 28646 in exponential form is:

28646 = 21 × 143231

Prime Factorization of 28662

Prime factors of 28662 are 2, 3, 17, 281. Prime factorization of 28662 in exponential form is:

28662 = 21 × 31 × 171 × 2811

Now multiplying the highest exponent prime factors to calculate the LCM of 28646 and 28662.

LCM(28646,28662) = 21 × 143231 × 31 × 171 × 2811
LCM(28646,28662) = 410525826