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What is the Least Common Multiple of 25310 and 25318?

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 25310 and 25318 is 320399290.

LCM(25310,25318) = 320399290

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Least Common Multiple of 25310 and 25318 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25310 and 25318, than apply into the LCM equation.

GCF(25310,25318) = 2
LCM(25310,25318) = ( 25310 × 25318) / 2
LCM(25310,25318) = 640798580 / 2
LCM(25310,25318) = 320399290

Least Common Multiple (LCM) of 25310 and 25318 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25310 and 25318. First we will calculate the prime factors of 25310 and 25318.

Prime Factorization of 25310

Prime factors of 25310 are 2, 5, 2531. Prime factorization of 25310 in exponential form is:

25310 = 21 × 51 × 25311

Prime Factorization of 25318

Prime factors of 25318 are 2, 12659. Prime factorization of 25318 in exponential form is:

25318 = 21 × 126591

Now multiplying the highest exponent prime factors to calculate the LCM of 25310 and 25318.

LCM(25310,25318) = 21 × 51 × 25311 × 126591
LCM(25310,25318) = 320399290