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What is the Least Common Multiple of 72979 and 72987?

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 72979 and 72987 is 5326518273.

LCM(72979,72987) = 5326518273

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Least Common Multiple of 72979 and 72987 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72979 and 72987, than apply into the LCM equation.

GCF(72979,72987) = 1
LCM(72979,72987) = ( 72979 × 72987) / 1
LCM(72979,72987) = 5326518273 / 1
LCM(72979,72987) = 5326518273

Least Common Multiple (LCM) of 72979 and 72987 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72979 and 72987. First we will calculate the prime factors of 72979 and 72987.

Prime Factorization of 72979

Prime factors of 72979 are 19, 23, 167. Prime factorization of 72979 in exponential form is:

72979 = 191 × 231 × 1671

Prime Factorization of 72987

Prime factors of 72987 are 3, 24329. Prime factorization of 72987 in exponential form is:

72987 = 31 × 243291

Now multiplying the highest exponent prime factors to calculate the LCM of 72979 and 72987.

LCM(72979,72987) = 191 × 231 × 1671 × 31 × 243291
LCM(72979,72987) = 5326518273