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What is the Least Common Multiple of 25388 and 25408?

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 25388 and 25408 is 161264576.

LCM(25388,25408) = 161264576

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Least Common Multiple of 25388 and 25408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25388 and 25408, than apply into the LCM equation.

GCF(25388,25408) = 4
LCM(25388,25408) = ( 25388 × 25408) / 4
LCM(25388,25408) = 645058304 / 4
LCM(25388,25408) = 161264576

Least Common Multiple (LCM) of 25388 and 25408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25388 and 25408. First we will calculate the prime factors of 25388 and 25408.

Prime Factorization of 25388

Prime factors of 25388 are 2, 11, 577. Prime factorization of 25388 in exponential form is:

25388 = 22 × 111 × 5771

Prime Factorization of 25408

Prime factors of 25408 are 2, 397. Prime factorization of 25408 in exponential form is:

25408 = 26 × 3971

Now multiplying the highest exponent prime factors to calculate the LCM of 25388 and 25408.

LCM(25388,25408) = 26 × 111 × 5771 × 3971
LCM(25388,25408) = 161264576