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What is the Least Common Multiple of 22645 and 22659?

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 22645 and 22659 is 73301865.

LCM(22645,22659) = 73301865

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Least Common Multiple of 22645 and 22659 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22645 and 22659, than apply into the LCM equation.

GCF(22645,22659) = 7
LCM(22645,22659) = ( 22645 × 22659) / 7
LCM(22645,22659) = 513113055 / 7
LCM(22645,22659) = 73301865

Least Common Multiple (LCM) of 22645 and 22659 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22645 and 22659. First we will calculate the prime factors of 22645 and 22659.

Prime Factorization of 22645

Prime factors of 22645 are 5, 7, 647. Prime factorization of 22645 in exponential form is:

22645 = 51 × 71 × 6471

Prime Factorization of 22659

Prime factors of 22659 are 3, 7, 13, 83. Prime factorization of 22659 in exponential form is:

22659 = 31 × 71 × 131 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 22645 and 22659.

LCM(22645,22659) = 51 × 71 × 6471 × 31 × 131 × 831
LCM(22645,22659) = 73301865