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What is the Least Common Multiple of 63991 and 64006?

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 63991 and 64006 is 4095807946.

LCM(63991,64006) = 4095807946

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Least Common Multiple of 63991 and 64006 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63991 and 64006, than apply into the LCM equation.

GCF(63991,64006) = 1
LCM(63991,64006) = ( 63991 × 64006) / 1
LCM(63991,64006) = 4095807946 / 1
LCM(63991,64006) = 4095807946

Least Common Multiple (LCM) of 63991 and 64006 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63991 and 64006. First we will calculate the prime factors of 63991 and 64006.

Prime Factorization of 63991

Prime factors of 63991 are 89, 719. Prime factorization of 63991 in exponential form is:

63991 = 891 × 7191

Prime Factorization of 64006

Prime factors of 64006 are 2, 32003. Prime factorization of 64006 in exponential form is:

64006 = 21 × 320031

Now multiplying the highest exponent prime factors to calculate the LCM of 63991 and 64006.

LCM(63991,64006) = 891 × 7191 × 21 × 320031
LCM(63991,64006) = 4095807946