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What is the Least Common Multiple of 25305 and 25313?

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 25305 and 25313 is 640545465.

LCM(25305,25313) = 640545465

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Least Common Multiple of 25305 and 25313 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25305 and 25313, than apply into the LCM equation.

GCF(25305,25313) = 1
LCM(25305,25313) = ( 25305 × 25313) / 1
LCM(25305,25313) = 640545465 / 1
LCM(25305,25313) = 640545465

Least Common Multiple (LCM) of 25305 and 25313 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25305 and 25313. First we will calculate the prime factors of 25305 and 25313.

Prime Factorization of 25305

Prime factors of 25305 are 3, 5, 7, 241. Prime factorization of 25305 in exponential form is:

25305 = 31 × 51 × 71 × 2411

Prime Factorization of 25313

Prime factors of 25313 are 17, 1489. Prime factorization of 25313 in exponential form is:

25313 = 171 × 14891

Now multiplying the highest exponent prime factors to calculate the LCM of 25305 and 25313.

LCM(25305,25313) = 31 × 51 × 71 × 2411 × 171 × 14891
LCM(25305,25313) = 640545465