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What is the Least Common Multiple of 79438 and 79445?

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 79438 and 79445 is 6310951910.

LCM(79438,79445) = 6310951910

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Least Common Multiple of 79438 and 79445 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79438 and 79445, than apply into the LCM equation.

GCF(79438,79445) = 1
LCM(79438,79445) = ( 79438 × 79445) / 1
LCM(79438,79445) = 6310951910 / 1
LCM(79438,79445) = 6310951910

Least Common Multiple (LCM) of 79438 and 79445 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79438 and 79445. First we will calculate the prime factors of 79438 and 79445.

Prime Factorization of 79438

Prime factors of 79438 are 2, 39719. Prime factorization of 79438 in exponential form is:

79438 = 21 × 397191

Prime Factorization of 79445

Prime factors of 79445 are 5, 15889. Prime factorization of 79445 in exponential form is:

79445 = 51 × 158891

Now multiplying the highest exponent prime factors to calculate the LCM of 79438 and 79445.

LCM(79438,79445) = 21 × 397191 × 51 × 158891
LCM(79438,79445) = 6310951910