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What is the Least Common Multiple of 79904 and 79921?

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 79904 and 79921 is 6386007584.

LCM(79904,79921) = 6386007584

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Least Common Multiple of 79904 and 79921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79904 and 79921, than apply into the LCM equation.

GCF(79904,79921) = 1
LCM(79904,79921) = ( 79904 × 79921) / 1
LCM(79904,79921) = 6386007584 / 1
LCM(79904,79921) = 6386007584

Least Common Multiple (LCM) of 79904 and 79921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79904 and 79921. First we will calculate the prime factors of 79904 and 79921.

Prime Factorization of 79904

Prime factors of 79904 are 2, 11, 227. Prime factorization of 79904 in exponential form is:

79904 = 25 × 111 × 2271

Prime Factorization of 79921

Prime factors of 79921 are 229, 349. Prime factorization of 79921 in exponential form is:

79921 = 2291 × 3491

Now multiplying the highest exponent prime factors to calculate the LCM of 79904 and 79921.

LCM(79904,79921) = 25 × 111 × 2271 × 2291 × 3491
LCM(79904,79921) = 6386007584