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What is the Least Common Multiple of 23188 and 23205?

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 23188 and 23205 is 31651620.

LCM(23188,23205) = 31651620

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Least Common Multiple of 23188 and 23205 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23188 and 23205, than apply into the LCM equation.

GCF(23188,23205) = 17
LCM(23188,23205) = ( 23188 × 23205) / 17
LCM(23188,23205) = 538077540 / 17
LCM(23188,23205) = 31651620

Least Common Multiple (LCM) of 23188 and 23205 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23188 and 23205. First we will calculate the prime factors of 23188 and 23205.

Prime Factorization of 23188

Prime factors of 23188 are 2, 11, 17, 31. Prime factorization of 23188 in exponential form is:

23188 = 22 × 111 × 171 × 311

Prime Factorization of 23205

Prime factors of 23205 are 3, 5, 7, 13, 17. Prime factorization of 23205 in exponential form is:

23205 = 31 × 51 × 71 × 131 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 23188 and 23205.

LCM(23188,23205) = 22 × 111 × 171 × 311 × 31 × 51 × 71 × 131
LCM(23188,23205) = 31651620