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What is the Least Common Multiple of 83991 and 84008?

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 83991 and 84008 is 7055915928.

LCM(83991,84008) = 7055915928

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Least Common Multiple of 83991 and 84008 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83991 and 84008, than apply into the LCM equation.

GCF(83991,84008) = 1
LCM(83991,84008) = ( 83991 × 84008) / 1
LCM(83991,84008) = 7055915928 / 1
LCM(83991,84008) = 7055915928

Least Common Multiple (LCM) of 83991 and 84008 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83991 and 84008. First we will calculate the prime factors of 83991 and 84008.

Prime Factorization of 83991

Prime factors of 83991 are 3, 27997. Prime factorization of 83991 in exponential form is:

83991 = 31 × 279971

Prime Factorization of 84008

Prime factors of 84008 are 2, 10501. Prime factorization of 84008 in exponential form is:

84008 = 23 × 105011

Now multiplying the highest exponent prime factors to calculate the LCM of 83991 and 84008.

LCM(83991,84008) = 31 × 279971 × 23 × 105011
LCM(83991,84008) = 7055915928