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What is the Least Common Multiple of 23562 and 23580?

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 23562 and 23580 is 30866220.

LCM(23562,23580) = 30866220

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Least Common Multiple of 23562 and 23580 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23562 and 23580, than apply into the LCM equation.

GCF(23562,23580) = 18
LCM(23562,23580) = ( 23562 × 23580) / 18
LCM(23562,23580) = 555591960 / 18
LCM(23562,23580) = 30866220

Least Common Multiple (LCM) of 23562 and 23580 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23562 and 23580. First we will calculate the prime factors of 23562 and 23580.

Prime Factorization of 23562

Prime factors of 23562 are 2, 3, 7, 11, 17. Prime factorization of 23562 in exponential form is:

23562 = 21 × 32 × 71 × 111 × 171

Prime Factorization of 23580

Prime factors of 23580 are 2, 3, 5, 131. Prime factorization of 23580 in exponential form is:

23580 = 22 × 32 × 51 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 23562 and 23580.

LCM(23562,23580) = 22 × 32 × 71 × 111 × 171 × 51 × 1311
LCM(23562,23580) = 30866220