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What is the Least Common Multiple of 79985 and 79994?

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 79985 and 79994 is 6398320090.

LCM(79985,79994) = 6398320090

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Least Common Multiple of 79985 and 79994 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79985 and 79994, than apply into the LCM equation.

GCF(79985,79994) = 1
LCM(79985,79994) = ( 79985 × 79994) / 1
LCM(79985,79994) = 6398320090 / 1
LCM(79985,79994) = 6398320090

Least Common Multiple (LCM) of 79985 and 79994 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79985 and 79994. First we will calculate the prime factors of 79985 and 79994.

Prime Factorization of 79985

Prime factors of 79985 are 5, 17, 941. Prime factorization of 79985 in exponential form is:

79985 = 51 × 171 × 9411

Prime Factorization of 79994

Prime factors of 79994 are 2, 23, 37, 47. Prime factorization of 79994 in exponential form is:

79994 = 21 × 231 × 371 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 79985 and 79994.

LCM(79985,79994) = 51 × 171 × 9411 × 21 × 231 × 371 × 471
LCM(79985,79994) = 6398320090