GCF and LCM Calculator Logo

What is the Least Common Multiple of 351 and 368?

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 351 and 368 is 129168.

LCM(351,368) = 129168

LCM Calculator and
and

Least Common Multiple of 351 and 368 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 351 and 368, than apply into the LCM equation.

GCF(351,368) = 1
LCM(351,368) = ( 351 × 368) / 1
LCM(351,368) = 129168 / 1
LCM(351,368) = 129168

Least Common Multiple (LCM) of 351 and 368 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 351 and 368. First we will calculate the prime factors of 351 and 368.

Prime Factorization of 351

Prime factors of 351 are 3, 13. Prime factorization of 351 in exponential form is:

351 = 33 × 131

Prime Factorization of 368

Prime factors of 368 are 2, 23. Prime factorization of 368 in exponential form is:

368 = 24 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 351 and 368.

LCM(351,368) = 33 × 131 × 24 × 231
LCM(351,368) = 129168