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What is the Least Common Multiple of 25636 and 25643?

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 25636 and 25643 is 657383948.

LCM(25636,25643) = 657383948

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Least Common Multiple of 25636 and 25643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25636 and 25643, than apply into the LCM equation.

GCF(25636,25643) = 1
LCM(25636,25643) = ( 25636 × 25643) / 1
LCM(25636,25643) = 657383948 / 1
LCM(25636,25643) = 657383948

Least Common Multiple (LCM) of 25636 and 25643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25636 and 25643. First we will calculate the prime factors of 25636 and 25643.

Prime Factorization of 25636

Prime factors of 25636 are 2, 13, 17, 29. Prime factorization of 25636 in exponential form is:

25636 = 22 × 131 × 171 × 291

Prime Factorization of 25643

Prime factors of 25643 are 25643. Prime factorization of 25643 in exponential form is:

25643 = 256431

Now multiplying the highest exponent prime factors to calculate the LCM of 25636 and 25643.

LCM(25636,25643) = 22 × 131 × 171 × 291 × 256431
LCM(25636,25643) = 657383948