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What is the Least Common Multiple of 13974 and 13992?

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 13974 and 13992 is 32587368.

LCM(13974,13992) = 32587368

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Least Common Multiple of 13974 and 13992 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13974 and 13992, than apply into the LCM equation.

GCF(13974,13992) = 6
LCM(13974,13992) = ( 13974 × 13992) / 6
LCM(13974,13992) = 195524208 / 6
LCM(13974,13992) = 32587368

Least Common Multiple (LCM) of 13974 and 13992 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13974 and 13992. First we will calculate the prime factors of 13974 and 13992.

Prime Factorization of 13974

Prime factors of 13974 are 2, 3, 17, 137. Prime factorization of 13974 in exponential form is:

13974 = 21 × 31 × 171 × 1371

Prime Factorization of 13992

Prime factors of 13992 are 2, 3, 11, 53. Prime factorization of 13992 in exponential form is:

13992 = 23 × 31 × 111 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 13974 and 13992.

LCM(13974,13992) = 23 × 31 × 171 × 1371 × 111 × 531
LCM(13974,13992) = 32587368