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What is the Least Common Multiple of 25604 and 25621?

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 25604 and 25621 is 656000084.

LCM(25604,25621) = 656000084

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Least Common Multiple of 25604 and 25621 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25604 and 25621, than apply into the LCM equation.

GCF(25604,25621) = 1
LCM(25604,25621) = ( 25604 × 25621) / 1
LCM(25604,25621) = 656000084 / 1
LCM(25604,25621) = 656000084

Least Common Multiple (LCM) of 25604 and 25621 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25604 and 25621. First we will calculate the prime factors of 25604 and 25621.

Prime Factorization of 25604

Prime factors of 25604 are 2, 37, 173. Prime factorization of 25604 in exponential form is:

25604 = 22 × 371 × 1731

Prime Factorization of 25621

Prime factors of 25621 are 25621. Prime factorization of 25621 in exponential form is:

25621 = 256211

Now multiplying the highest exponent prime factors to calculate the LCM of 25604 and 25621.

LCM(25604,25621) = 22 × 371 × 1731 × 256211
LCM(25604,25621) = 656000084