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What is the Least Common Multiple of 17564 and 17570?

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 17564 and 17570 is 154299740.

LCM(17564,17570) = 154299740

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Least Common Multiple of 17564 and 17570 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17564 and 17570, than apply into the LCM equation.

GCF(17564,17570) = 2
LCM(17564,17570) = ( 17564 × 17570) / 2
LCM(17564,17570) = 308599480 / 2
LCM(17564,17570) = 154299740

Least Common Multiple (LCM) of 17564 and 17570 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17564 and 17570. First we will calculate the prime factors of 17564 and 17570.

Prime Factorization of 17564

Prime factors of 17564 are 2, 4391. Prime factorization of 17564 in exponential form is:

17564 = 22 × 43911

Prime Factorization of 17570

Prime factors of 17570 are 2, 5, 7, 251. Prime factorization of 17570 in exponential form is:

17570 = 21 × 51 × 71 × 2511

Now multiplying the highest exponent prime factors to calculate the LCM of 17564 and 17570.

LCM(17564,17570) = 22 × 43911 × 51 × 71 × 2511
LCM(17564,17570) = 154299740