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What is the Least Common Multiple of 79994 and 80008?

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 79994 and 80008 is 3200079976.

LCM(79994,80008) = 3200079976

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Least Common Multiple of 79994 and 80008 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79994 and 80008, than apply into the LCM equation.

GCF(79994,80008) = 2
LCM(79994,80008) = ( 79994 × 80008) / 2
LCM(79994,80008) = 6400159952 / 2
LCM(79994,80008) = 3200079976

Least Common Multiple (LCM) of 79994 and 80008 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79994 and 80008. First we will calculate the prime factors of 79994 and 80008.

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

Prime Factorization of 80008

Prime factors of 80008 are 2, 73, 137. Prime factorization of 80008 in exponential form is:

80008 = 23 × 731 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 79994 and 80008.

LCM(79994,80008) = 23 × 231 × 371 × 471 × 731 × 1371
LCM(79994,80008) = 3200079976