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What is the Least Common Multiple of 25300 and 25317?

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 25300 and 25317 is 640520100.

LCM(25300,25317) = 640520100

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Least Common Multiple of 25300 and 25317 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25300 and 25317, than apply into the LCM equation.

GCF(25300,25317) = 1
LCM(25300,25317) = ( 25300 × 25317) / 1
LCM(25300,25317) = 640520100 / 1
LCM(25300,25317) = 640520100

Least Common Multiple (LCM) of 25300 and 25317 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25300 and 25317. First we will calculate the prime factors of 25300 and 25317.

Prime Factorization of 25300

Prime factors of 25300 are 2, 5, 11, 23. Prime factorization of 25300 in exponential form is:

25300 = 22 × 52 × 111 × 231

Prime Factorization of 25317

Prime factors of 25317 are 3, 29, 97. Prime factorization of 25317 in exponential form is:

25317 = 32 × 291 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 25300 and 25317.

LCM(25300,25317) = 22 × 52 × 111 × 231 × 32 × 291 × 971
LCM(25300,25317) = 640520100