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What is the Least Common Multiple of 79381 and 79391?

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 79381 and 79391 is 6302136971.

LCM(79381,79391) = 6302136971

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Least Common Multiple of 79381 and 79391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79381 and 79391, than apply into the LCM equation.

GCF(79381,79391) = 1
LCM(79381,79391) = ( 79381 × 79391) / 1
LCM(79381,79391) = 6302136971 / 1
LCM(79381,79391) = 6302136971

Least Common Multiple (LCM) of 79381 and 79391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79381 and 79391. First we will calculate the prime factors of 79381 and 79391.

Prime Factorization of 79381

Prime factors of 79381 are 163, 487. Prime factorization of 79381 in exponential form is:

79381 = 1631 × 4871

Prime Factorization of 79391

Prime factors of 79391 are 13, 31, 197. Prime factorization of 79391 in exponential form is:

79391 = 131 × 311 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 79381 and 79391.

LCM(79381,79391) = 1631 × 4871 × 131 × 311 × 1971
LCM(79381,79391) = 6302136971