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What is the Least Common Multiple of 15991 and 16007?

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 15991 and 16007 is 255967937.

LCM(15991,16007) = 255967937

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Least Common Multiple of 15991 and 16007 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15991 and 16007, than apply into the LCM equation.

GCF(15991,16007) = 1
LCM(15991,16007) = ( 15991 × 16007) / 1
LCM(15991,16007) = 255967937 / 1
LCM(15991,16007) = 255967937

Least Common Multiple (LCM) of 15991 and 16007 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15991 and 16007. First we will calculate the prime factors of 15991 and 16007.

Prime Factorization of 15991

Prime factors of 15991 are 15991. Prime factorization of 15991 in exponential form is:

15991 = 159911

Prime Factorization of 16007

Prime factors of 16007 are 16007. Prime factorization of 16007 in exponential form is:

16007 = 160071

Now multiplying the highest exponent prime factors to calculate the LCM of 15991 and 16007.

LCM(15991,16007) = 159911 × 160071
LCM(15991,16007) = 255967937