GCF and LCM Calculator Logo

What is the Least Common Multiple of 27642 and 27658?

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 27642 and 27658 is 382261218.

LCM(27642,27658) = 382261218

LCM Calculator and
and

Least Common Multiple of 27642 and 27658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27642 and 27658, than apply into the LCM equation.

GCF(27642,27658) = 2
LCM(27642,27658) = ( 27642 × 27658) / 2
LCM(27642,27658) = 764522436 / 2
LCM(27642,27658) = 382261218

Least Common Multiple (LCM) of 27642 and 27658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27642 and 27658. First we will calculate the prime factors of 27642 and 27658.

Prime Factorization of 27642

Prime factors of 27642 are 2, 3, 17, 271. Prime factorization of 27642 in exponential form is:

27642 = 21 × 31 × 171 × 2711

Prime Factorization of 27658

Prime factors of 27658 are 2, 13829. Prime factorization of 27658 in exponential form is:

27658 = 21 × 138291

Now multiplying the highest exponent prime factors to calculate the LCM of 27642 and 27658.

LCM(27642,27658) = 21 × 31 × 171 × 2711 × 138291
LCM(27642,27658) = 382261218