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What is the Least Common Multiple of 15997 and 16006?

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 15997 and 16006 is 256047982.

LCM(15997,16006) = 256047982

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Least Common Multiple of 15997 and 16006 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15997 and 16006, than apply into the LCM equation.

GCF(15997,16006) = 1
LCM(15997,16006) = ( 15997 × 16006) / 1
LCM(15997,16006) = 256047982 / 1
LCM(15997,16006) = 256047982

Least Common Multiple (LCM) of 15997 and 16006 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15997 and 16006. First we will calculate the prime factors of 15997 and 16006.

Prime Factorization of 15997

Prime factors of 15997 are 17, 941. Prime factorization of 15997 in exponential form is:

15997 = 171 × 9411

Prime Factorization of 16006

Prime factors of 16006 are 2, 53, 151. Prime factorization of 16006 in exponential form is:

16006 = 21 × 531 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 15997 and 16006.

LCM(15997,16006) = 171 × 9411 × 21 × 531 × 1511
LCM(15997,16006) = 256047982