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What is the Least Common Multiple of 79480 and 79491?

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 79480 and 79491 is 6317944680.

LCM(79480,79491) = 6317944680

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Least Common Multiple of 79480 and 79491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79480 and 79491, than apply into the LCM equation.

GCF(79480,79491) = 1
LCM(79480,79491) = ( 79480 × 79491) / 1
LCM(79480,79491) = 6317944680 / 1
LCM(79480,79491) = 6317944680

Least Common Multiple (LCM) of 79480 and 79491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79480 and 79491. First we will calculate the prime factors of 79480 and 79491.

Prime Factorization of 79480

Prime factors of 79480 are 2, 5, 1987. Prime factorization of 79480 in exponential form is:

79480 = 23 × 51 × 19871

Prime Factorization of 79491

Prime factors of 79491 are 3, 26497. Prime factorization of 79491 in exponential form is:

79491 = 31 × 264971

Now multiplying the highest exponent prime factors to calculate the LCM of 79480 and 79491.

LCM(79480,79491) = 23 × 51 × 19871 × 31 × 264971
LCM(79480,79491) = 6317944680