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What is the Least Common Multiple of 22545 and 22561?

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 22545 and 22561 is 508637745.

LCM(22545,22561) = 508637745

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Least Common Multiple of 22545 and 22561 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22545 and 22561, than apply into the LCM equation.

GCF(22545,22561) = 1
LCM(22545,22561) = ( 22545 × 22561) / 1
LCM(22545,22561) = 508637745 / 1
LCM(22545,22561) = 508637745

Least Common Multiple (LCM) of 22545 and 22561 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22545 and 22561. First we will calculate the prime factors of 22545 and 22561.

Prime Factorization of 22545

Prime factors of 22545 are 3, 5, 167. Prime factorization of 22545 in exponential form is:

22545 = 33 × 51 × 1671

Prime Factorization of 22561

Prime factors of 22561 are 7, 11, 293. Prime factorization of 22561 in exponential form is:

22561 = 71 × 111 × 2931

Now multiplying the highest exponent prime factors to calculate the LCM of 22545 and 22561.

LCM(22545,22561) = 33 × 51 × 1671 × 71 × 111 × 2931
LCM(22545,22561) = 508637745