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What is the Least Common Multiple of 25280 and 25299?

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 25280 and 25299 is 639558720.

LCM(25280,25299) = 639558720

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Least Common Multiple of 25280 and 25299 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25280 and 25299, than apply into the LCM equation.

GCF(25280,25299) = 1
LCM(25280,25299) = ( 25280 × 25299) / 1
LCM(25280,25299) = 639558720 / 1
LCM(25280,25299) = 639558720

Least Common Multiple (LCM) of 25280 and 25299 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25280 and 25299. First we will calculate the prime factors of 25280 and 25299.

Prime Factorization of 25280

Prime factors of 25280 are 2, 5, 79. Prime factorization of 25280 in exponential form is:

25280 = 26 × 51 × 791

Prime Factorization of 25299

Prime factors of 25299 are 3, 937. Prime factorization of 25299 in exponential form is:

25299 = 33 × 9371

Now multiplying the highest exponent prime factors to calculate the LCM of 25280 and 25299.

LCM(25280,25299) = 26 × 51 × 791 × 33 × 9371
LCM(25280,25299) = 639558720