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What is the Least Common Multiple of 65779 and 65790?

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 65779 and 65790 is 4327600410.

LCM(65779,65790) = 4327600410

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Least Common Multiple of 65779 and 65790 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65779 and 65790, than apply into the LCM equation.

GCF(65779,65790) = 1
LCM(65779,65790) = ( 65779 × 65790) / 1
LCM(65779,65790) = 4327600410 / 1
LCM(65779,65790) = 4327600410

Least Common Multiple (LCM) of 65779 and 65790 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65779 and 65790. First we will calculate the prime factors of 65779 and 65790.

Prime Factorization of 65779

Prime factors of 65779 are 7, 9397. Prime factorization of 65779 in exponential form is:

65779 = 71 × 93971

Prime Factorization of 65790

Prime factors of 65790 are 2, 3, 5, 17, 43. Prime factorization of 65790 in exponential form is:

65790 = 21 × 32 × 51 × 171 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 65779 and 65790.

LCM(65779,65790) = 71 × 93971 × 21 × 32 × 51 × 171 × 431
LCM(65779,65790) = 4327600410