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What is the Least Common Multiple of 23309 and 23315?

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 23309 and 23315 is 543449335.

LCM(23309,23315) = 543449335

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Least Common Multiple of 23309 and 23315 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23309 and 23315, than apply into the LCM equation.

GCF(23309,23315) = 1
LCM(23309,23315) = ( 23309 × 23315) / 1
LCM(23309,23315) = 543449335 / 1
LCM(23309,23315) = 543449335

Least Common Multiple (LCM) of 23309 and 23315 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23309 and 23315. First we will calculate the prime factors of 23309 and 23315.

Prime Factorization of 23309

Prime factors of 23309 are 11, 13, 163. Prime factorization of 23309 in exponential form is:

23309 = 111 × 131 × 1631

Prime Factorization of 23315

Prime factors of 23315 are 5, 4663. Prime factorization of 23315 in exponential form is:

23315 = 51 × 46631

Now multiplying the highest exponent prime factors to calculate the LCM of 23309 and 23315.

LCM(23309,23315) = 111 × 131 × 1631 × 51 × 46631
LCM(23309,23315) = 543449335