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What is the Least Common Multiple of 25272 and 25280?

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 25272 and 25280 is 79859520.

LCM(25272,25280) = 79859520

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Least Common Multiple of 25272 and 25280 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25272 and 25280, than apply into the LCM equation.

GCF(25272,25280) = 8
LCM(25272,25280) = ( 25272 × 25280) / 8
LCM(25272,25280) = 638876160 / 8
LCM(25272,25280) = 79859520

Least Common Multiple (LCM) of 25272 and 25280 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25272 and 25280. First we will calculate the prime factors of 25272 and 25280.

Prime Factorization of 25272

Prime factors of 25272 are 2, 3, 13. Prime factorization of 25272 in exponential form is:

25272 = 23 × 35 × 131

Prime Factorization of 25280

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

25280 = 26 × 51 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 25272 and 25280.

LCM(25272,25280) = 26 × 35 × 131 × 51 × 791
LCM(25272,25280) = 79859520