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What is the Least Common Multiple of 22855 and 22869?

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 22855 and 22869 is 74667285.

LCM(22855,22869) = 74667285

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Least Common Multiple of 22855 and 22869 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22855 and 22869, than apply into the LCM equation.

GCF(22855,22869) = 7
LCM(22855,22869) = ( 22855 × 22869) / 7
LCM(22855,22869) = 522670995 / 7
LCM(22855,22869) = 74667285

Least Common Multiple (LCM) of 22855 and 22869 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22855 and 22869. First we will calculate the prime factors of 22855 and 22869.

Prime Factorization of 22855

Prime factors of 22855 are 5, 7, 653. Prime factorization of 22855 in exponential form is:

22855 = 51 × 71 × 6531

Prime Factorization of 22869

Prime factors of 22869 are 3, 7, 11. Prime factorization of 22869 in exponential form is:

22869 = 33 × 71 × 112

Now multiplying the highest exponent prime factors to calculate the LCM of 22855 and 22869.

LCM(22855,22869) = 51 × 71 × 6531 × 33 × 112
LCM(22855,22869) = 74667285