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What is the Least Common Multiple of 25658 and 25671?

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 25658 and 25671 is 658666518.

LCM(25658,25671) = 658666518

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Least Common Multiple of 25658 and 25671 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25658 and 25671, than apply into the LCM equation.

GCF(25658,25671) = 1
LCM(25658,25671) = ( 25658 × 25671) / 1
LCM(25658,25671) = 658666518 / 1
LCM(25658,25671) = 658666518

Least Common Multiple (LCM) of 25658 and 25671 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25658 and 25671. First we will calculate the prime factors of 25658 and 25671.

Prime Factorization of 25658

Prime factors of 25658 are 2, 12829. Prime factorization of 25658 in exponential form is:

25658 = 21 × 128291

Prime Factorization of 25671

Prime factors of 25671 are 3, 43, 199. Prime factorization of 25671 in exponential form is:

25671 = 31 × 431 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 25658 and 25671.

LCM(25658,25671) = 21 × 128291 × 31 × 431 × 1991
LCM(25658,25671) = 658666518