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What is the Least Common Multiple of 79981 and 79986?

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 79981 and 79986 is 6397360266.

LCM(79981,79986) = 6397360266

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Least Common Multiple of 79981 and 79986 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79981 and 79986, than apply into the LCM equation.

GCF(79981,79986) = 1
LCM(79981,79986) = ( 79981 × 79986) / 1
LCM(79981,79986) = 6397360266 / 1
LCM(79981,79986) = 6397360266

Least Common Multiple (LCM) of 79981 and 79986 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79981 and 79986. First we will calculate the prime factors of 79981 and 79986.

Prime Factorization of 79981

Prime factors of 79981 are 11, 661. Prime factorization of 79981 in exponential form is:

79981 = 112 × 6611

Prime Factorization of 79986

Prime factors of 79986 are 2, 3, 13331. Prime factorization of 79986 in exponential form is:

79986 = 21 × 31 × 133311

Now multiplying the highest exponent prime factors to calculate the LCM of 79981 and 79986.

LCM(79981,79986) = 112 × 6611 × 21 × 31 × 133311
LCM(79981,79986) = 6397360266