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What is the Least Common Multiple of 12509 and 12516?

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 12509 and 12516 is 22366092.

LCM(12509,12516) = 22366092

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Least Common Multiple of 12509 and 12516 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12509 and 12516, than apply into the LCM equation.

GCF(12509,12516) = 7
LCM(12509,12516) = ( 12509 × 12516) / 7
LCM(12509,12516) = 156562644 / 7
LCM(12509,12516) = 22366092

Least Common Multiple (LCM) of 12509 and 12516 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12509 and 12516. First we will calculate the prime factors of 12509 and 12516.

Prime Factorization of 12509

Prime factors of 12509 are 7, 1787. Prime factorization of 12509 in exponential form is:

12509 = 71 × 17871

Prime Factorization of 12516

Prime factors of 12516 are 2, 3, 7, 149. Prime factorization of 12516 in exponential form is:

12516 = 22 × 31 × 71 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 12509 and 12516.

LCM(12509,12516) = 71 × 17871 × 22 × 31 × 1491
LCM(12509,12516) = 22366092