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What is the Least Common Multiple of 79984 and 79988?

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 79984 and 79988 is 1599440048.

LCM(79984,79988) = 1599440048

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Least Common Multiple of 79984 and 79988 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79984 and 79988, than apply into the LCM equation.

GCF(79984,79988) = 4
LCM(79984,79988) = ( 79984 × 79988) / 4
LCM(79984,79988) = 6397760192 / 4
LCM(79984,79988) = 1599440048

Least Common Multiple (LCM) of 79984 and 79988 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79984 and 79988. First we will calculate the prime factors of 79984 and 79988.

Prime Factorization of 79984

Prime factors of 79984 are 2, 4999. Prime factorization of 79984 in exponential form is:

79984 = 24 × 49991

Prime Factorization of 79988

Prime factors of 79988 are 2, 19997. Prime factorization of 79988 in exponential form is:

79988 = 22 × 199971

Now multiplying the highest exponent prime factors to calculate the LCM of 79984 and 79988.

LCM(79984,79988) = 24 × 49991 × 199971
LCM(79984,79988) = 1599440048