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What is the Least Common Multiple of 79638 and 79649?

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 79638 and 79649 is 6343087062.

LCM(79638,79649) = 6343087062

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Least Common Multiple of 79638 and 79649 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79638 and 79649, than apply into the LCM equation.

GCF(79638,79649) = 1
LCM(79638,79649) = ( 79638 × 79649) / 1
LCM(79638,79649) = 6343087062 / 1
LCM(79638,79649) = 6343087062

Least Common Multiple (LCM) of 79638 and 79649 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79638 and 79649. First we will calculate the prime factors of 79638 and 79649.

Prime Factorization of 79638

Prime factors of 79638 are 2, 3, 13, 1021. Prime factorization of 79638 in exponential form is:

79638 = 21 × 31 × 131 × 10211

Prime Factorization of 79649

Prime factors of 79649 are 23, 3463. Prime factorization of 79649 in exponential form is:

79649 = 231 × 34631

Now multiplying the highest exponent prime factors to calculate the LCM of 79638 and 79649.

LCM(79638,79649) = 21 × 31 × 131 × 10211 × 231 × 34631
LCM(79638,79649) = 6343087062