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What is the Least Common Multiple of 25646 and 25666?

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 25646 and 25666 is 329115118.

LCM(25646,25666) = 329115118

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Least Common Multiple of 25646 and 25666 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25646 and 25666, than apply into the LCM equation.

GCF(25646,25666) = 2
LCM(25646,25666) = ( 25646 × 25666) / 2
LCM(25646,25666) = 658230236 / 2
LCM(25646,25666) = 329115118

Least Common Multiple (LCM) of 25646 and 25666 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25646 and 25666. First we will calculate the prime factors of 25646 and 25666.

Prime Factorization of 25646

Prime factors of 25646 are 2, 12823. Prime factorization of 25646 in exponential form is:

25646 = 21 × 128231

Prime Factorization of 25666

Prime factors of 25666 are 2, 41, 313. Prime factorization of 25666 in exponential form is:

25666 = 21 × 411 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 25646 and 25666.

LCM(25646,25666) = 21 × 128231 × 411 × 3131
LCM(25646,25666) = 329115118