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What is the Least Common Multiple of 78988 and 79005?

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 78988 and 79005 is 6240446940.

LCM(78988,79005) = 6240446940

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Least Common Multiple of 78988 and 79005 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78988 and 79005, than apply into the LCM equation.

GCF(78988,79005) = 1
LCM(78988,79005) = ( 78988 × 79005) / 1
LCM(78988,79005) = 6240446940 / 1
LCM(78988,79005) = 6240446940

Least Common Multiple (LCM) of 78988 and 79005 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78988 and 79005. First we will calculate the prime factors of 78988 and 79005.

Prime Factorization of 78988

Prime factors of 78988 are 2, 7, 13, 31. Prime factorization of 78988 in exponential form is:

78988 = 22 × 72 × 131 × 311

Prime Factorization of 79005

Prime factors of 79005 are 3, 5, 23, 229. Prime factorization of 79005 in exponential form is:

79005 = 31 × 51 × 231 × 2291

Now multiplying the highest exponent prime factors to calculate the LCM of 78988 and 79005.

LCM(78988,79005) = 22 × 72 × 131 × 311 × 31 × 51 × 231 × 2291
LCM(78988,79005) = 6240446940