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What is the Least Common Multiple of 65609 and 65615?

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 65609 and 65615 is 4304934535.

LCM(65609,65615) = 4304934535

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Least Common Multiple of 65609 and 65615 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65609 and 65615, than apply into the LCM equation.

GCF(65609,65615) = 1
LCM(65609,65615) = ( 65609 × 65615) / 1
LCM(65609,65615) = 4304934535 / 1
LCM(65609,65615) = 4304934535

Least Common Multiple (LCM) of 65609 and 65615 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65609 and 65615. First we will calculate the prime factors of 65609 and 65615.

Prime Factorization of 65609

Prime factors of 65609 are 65609. Prime factorization of 65609 in exponential form is:

65609 = 656091

Prime Factorization of 65615

Prime factors of 65615 are 5, 11, 1193. Prime factorization of 65615 in exponential form is:

65615 = 51 × 111 × 11931

Now multiplying the highest exponent prime factors to calculate the LCM of 65609 and 65615.

LCM(65609,65615) = 656091 × 51 × 111 × 11931
LCM(65609,65615) = 4304934535