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What is the Least Common Multiple of 12996 and 13015?

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 12996 and 13015 is 8902260.

LCM(12996,13015) = 8902260

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Least Common Multiple of 12996 and 13015 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12996 and 13015, than apply into the LCM equation.

GCF(12996,13015) = 19
LCM(12996,13015) = ( 12996 × 13015) / 19
LCM(12996,13015) = 169142940 / 19
LCM(12996,13015) = 8902260

Least Common Multiple (LCM) of 12996 and 13015 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12996 and 13015. First we will calculate the prime factors of 12996 and 13015.

Prime Factorization of 12996

Prime factors of 12996 are 2, 3, 19. Prime factorization of 12996 in exponential form is:

12996 = 22 × 32 × 192

Prime Factorization of 13015

Prime factors of 13015 are 5, 19, 137. Prime factorization of 13015 in exponential form is:

13015 = 51 × 191 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 12996 and 13015.

LCM(12996,13015) = 22 × 32 × 192 × 51 × 1371
LCM(12996,13015) = 8902260