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What is the Least Common Multiple of 23145 and 23154?

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 23145 and 23154 is 178633110.

LCM(23145,23154) = 178633110

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Least Common Multiple of 23145 and 23154 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23145 and 23154, than apply into the LCM equation.

GCF(23145,23154) = 3
LCM(23145,23154) = ( 23145 × 23154) / 3
LCM(23145,23154) = 535899330 / 3
LCM(23145,23154) = 178633110

Least Common Multiple (LCM) of 23145 and 23154 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23145 and 23154. First we will calculate the prime factors of 23145 and 23154.

Prime Factorization of 23145

Prime factors of 23145 are 3, 5, 1543. Prime factorization of 23145 in exponential form is:

23145 = 31 × 51 × 15431

Prime Factorization of 23154

Prime factors of 23154 are 2, 3, 17, 227. Prime factorization of 23154 in exponential form is:

23154 = 21 × 31 × 171 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 23145 and 23154.

LCM(23145,23154) = 31 × 51 × 15431 × 21 × 171 × 2271
LCM(23145,23154) = 178633110