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What is the Least Common Multiple of 25641 and 25654?

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 25641 and 25654 is 657794214.

LCM(25641,25654) = 657794214

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Least Common Multiple of 25641 and 25654 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25641 and 25654, than apply into the LCM equation.

GCF(25641,25654) = 1
LCM(25641,25654) = ( 25641 × 25654) / 1
LCM(25641,25654) = 657794214 / 1
LCM(25641,25654) = 657794214

Least Common Multiple (LCM) of 25641 and 25654 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25641 and 25654. First we will calculate the prime factors of 25641 and 25654.

Prime Factorization of 25641

Prime factors of 25641 are 3, 7, 11, 37. Prime factorization of 25641 in exponential form is:

25641 = 32 × 71 × 111 × 371

Prime Factorization of 25654

Prime factors of 25654 are 2, 101, 127. Prime factorization of 25654 in exponential form is:

25654 = 21 × 1011 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 25641 and 25654.

LCM(25641,25654) = 32 × 71 × 111 × 371 × 21 × 1011 × 1271
LCM(25641,25654) = 657794214