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What is the Least Common Multiple of 15976 and 15992?

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 15976 and 15992 is 31936024.

LCM(15976,15992) = 31936024

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Least Common Multiple of 15976 and 15992 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15976 and 15992, than apply into the LCM equation.

GCF(15976,15992) = 8
LCM(15976,15992) = ( 15976 × 15992) / 8
LCM(15976,15992) = 255488192 / 8
LCM(15976,15992) = 31936024

Least Common Multiple (LCM) of 15976 and 15992 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15976 and 15992. First we will calculate the prime factors of 15976 and 15992.

Prime Factorization of 15976

Prime factors of 15976 are 2, 1997. Prime factorization of 15976 in exponential form is:

15976 = 23 × 19971

Prime Factorization of 15992

Prime factors of 15992 are 2, 1999. Prime factorization of 15992 in exponential form is:

15992 = 23 × 19991

Now multiplying the highest exponent prime factors to calculate the LCM of 15976 and 15992.

LCM(15976,15992) = 23 × 19971 × 19991
LCM(15976,15992) = 31936024