GCF and LCM Calculator Logo

What is the Least Common Multiple of 12974 and 12982?

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 12974 and 12982 is 84214234.

LCM(12974,12982) = 84214234

LCM Calculator and
and

Least Common Multiple of 12974 and 12982 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12974 and 12982, than apply into the LCM equation.

GCF(12974,12982) = 2
LCM(12974,12982) = ( 12974 × 12982) / 2
LCM(12974,12982) = 168428468 / 2
LCM(12974,12982) = 84214234

Least Common Multiple (LCM) of 12974 and 12982 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12974 and 12982. First we will calculate the prime factors of 12974 and 12982.

Prime Factorization of 12974

Prime factors of 12974 are 2, 13, 499. Prime factorization of 12974 in exponential form is:

12974 = 21 × 131 × 4991

Prime Factorization of 12982

Prime factors of 12982 are 2, 6491. Prime factorization of 12982 in exponential form is:

12982 = 21 × 64911

Now multiplying the highest exponent prime factors to calculate the LCM of 12974 and 12982.

LCM(12974,12982) = 21 × 131 × 4991 × 64911
LCM(12974,12982) = 84214234