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What is the Least Common Multiple of 15723 and 15736?

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 15723 and 15736 is 247417128.

LCM(15723,15736) = 247417128

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Least Common Multiple of 15723 and 15736 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15723 and 15736, than apply into the LCM equation.

GCF(15723,15736) = 1
LCM(15723,15736) = ( 15723 × 15736) / 1
LCM(15723,15736) = 247417128 / 1
LCM(15723,15736) = 247417128

Least Common Multiple (LCM) of 15723 and 15736 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15723 and 15736. First we will calculate the prime factors of 15723 and 15736.

Prime Factorization of 15723

Prime factors of 15723 are 3, 1747. Prime factorization of 15723 in exponential form is:

15723 = 32 × 17471

Prime Factorization of 15736

Prime factors of 15736 are 2, 7, 281. Prime factorization of 15736 in exponential form is:

15736 = 23 × 71 × 2811

Now multiplying the highest exponent prime factors to calculate the LCM of 15723 and 15736.

LCM(15723,15736) = 32 × 17471 × 23 × 71 × 2811
LCM(15723,15736) = 247417128