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What is the Least Common Multiple of 65705 and 65724?

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 65705 and 65724 is 4318395420.

LCM(65705,65724) = 4318395420

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Least Common Multiple of 65705 and 65724 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65705 and 65724, than apply into the LCM equation.

GCF(65705,65724) = 1
LCM(65705,65724) = ( 65705 × 65724) / 1
LCM(65705,65724) = 4318395420 / 1
LCM(65705,65724) = 4318395420

Least Common Multiple (LCM) of 65705 and 65724 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65705 and 65724. First we will calculate the prime factors of 65705 and 65724.

Prime Factorization of 65705

Prime factors of 65705 are 5, 17, 773. Prime factorization of 65705 in exponential form is:

65705 = 51 × 171 × 7731

Prime Factorization of 65724

Prime factors of 65724 are 2, 3, 5477. Prime factorization of 65724 in exponential form is:

65724 = 22 × 31 × 54771

Now multiplying the highest exponent prime factors to calculate the LCM of 65705 and 65724.

LCM(65705,65724) = 51 × 171 × 7731 × 22 × 31 × 54771
LCM(65705,65724) = 4318395420