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What is the Least Common Multiple of 8645 and 8659?

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 8645 and 8659 is 10693865.

LCM(8645,8659) = 10693865

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Least Common Multiple of 8645 and 8659 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8645 and 8659, than apply into the LCM equation.

GCF(8645,8659) = 7
LCM(8645,8659) = ( 8645 × 8659) / 7
LCM(8645,8659) = 74857055 / 7
LCM(8645,8659) = 10693865

Least Common Multiple (LCM) of 8645 and 8659 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8645 and 8659. First we will calculate the prime factors of 8645 and 8659.

Prime Factorization of 8645

Prime factors of 8645 are 5, 7, 13, 19. Prime factorization of 8645 in exponential form is:

8645 = 51 × 71 × 131 × 191

Prime Factorization of 8659

Prime factors of 8659 are 7, 1237. Prime factorization of 8659 in exponential form is:

8659 = 71 × 12371

Now multiplying the highest exponent prime factors to calculate the LCM of 8645 and 8659.

LCM(8645,8659) = 51 × 71 × 131 × 191 × 12371
LCM(8645,8659) = 10693865