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What is the Least Common Multiple of 79639 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 79639 and 79649 is 6343166711.

LCM(79639,79649) = 6343166711

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Least Common Multiple of 79639 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 79639 and 79649, than apply into the LCM equation.

GCF(79639,79649) = 1
LCM(79639,79649) = ( 79639 × 79649) / 1
LCM(79639,79649) = 6343166711 / 1
LCM(79639,79649) = 6343166711

Least Common Multiple (LCM) of 79639 and 79649 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79639 and 79649. First we will calculate the prime factors of 79639 and 79649.

Prime Factorization of 79639

Prime factors of 79639 are 7, 31, 367. Prime factorization of 79639 in exponential form is:

79639 = 71 × 311 × 3671

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 79639 and 79649.

LCM(79639,79649) = 71 × 311 × 3671 × 231 × 34631
LCM(79639,79649) = 6343166711