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What is the Least Common Multiple of 15653 and 15670?

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 15653 and 15670 is 245282510.

LCM(15653,15670) = 245282510

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Least Common Multiple of 15653 and 15670 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15653 and 15670, than apply into the LCM equation.

GCF(15653,15670) = 1
LCM(15653,15670) = ( 15653 × 15670) / 1
LCM(15653,15670) = 245282510 / 1
LCM(15653,15670) = 245282510

Least Common Multiple (LCM) of 15653 and 15670 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15653 and 15670. First we will calculate the prime factors of 15653 and 15670.

Prime Factorization of 15653

Prime factors of 15653 are 11, 1423. Prime factorization of 15653 in exponential form is:

15653 = 111 × 14231

Prime Factorization of 15670

Prime factors of 15670 are 2, 5, 1567. Prime factorization of 15670 in exponential form is:

15670 = 21 × 51 × 15671

Now multiplying the highest exponent prime factors to calculate the LCM of 15653 and 15670.

LCM(15653,15670) = 111 × 14231 × 21 × 51 × 15671
LCM(15653,15670) = 245282510