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What is the Least Common Multiple of 15312 and 15316?

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 15312 and 15316 is 58629648.

LCM(15312,15316) = 58629648

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Least Common Multiple of 15312 and 15316 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15312 and 15316, than apply into the LCM equation.

GCF(15312,15316) = 4
LCM(15312,15316) = ( 15312 × 15316) / 4
LCM(15312,15316) = 234518592 / 4
LCM(15312,15316) = 58629648

Least Common Multiple (LCM) of 15312 and 15316 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15312 and 15316. First we will calculate the prime factors of 15312 and 15316.

Prime Factorization of 15312

Prime factors of 15312 are 2, 3, 11, 29. Prime factorization of 15312 in exponential form is:

15312 = 24 × 31 × 111 × 291

Prime Factorization of 15316

Prime factors of 15316 are 2, 7, 547. Prime factorization of 15316 in exponential form is:

15316 = 22 × 71 × 5471

Now multiplying the highest exponent prime factors to calculate the LCM of 15312 and 15316.

LCM(15312,15316) = 24 × 31 × 111 × 291 × 71 × 5471
LCM(15312,15316) = 58629648