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What is the Least Common Multiple of 15653 and 15672?

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 15672 is 245313816.

LCM(15653,15672) = 245313816

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Least Common Multiple of 15653 and 15672 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 15672, than apply into the LCM equation.

GCF(15653,15672) = 1
LCM(15653,15672) = ( 15653 × 15672) / 1
LCM(15653,15672) = 245313816 / 1
LCM(15653,15672) = 245313816

Least Common Multiple (LCM) of 15653 and 15672 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15653 and 15672. First we will calculate the prime factors of 15653 and 15672.

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 15672

Prime factors of 15672 are 2, 3, 653. Prime factorization of 15672 in exponential form is:

15672 = 23 × 31 × 6531

Now multiplying the highest exponent prime factors to calculate the LCM of 15653 and 15672.

LCM(15653,15672) = 111 × 14231 × 23 × 31 × 6531
LCM(15653,15672) = 245313816