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What is the Least Common Multiple of 25720 and 25735?

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 25720 and 25735 is 132380840.

LCM(25720,25735) = 132380840

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Least Common Multiple of 25720 and 25735 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25720 and 25735, than apply into the LCM equation.

GCF(25720,25735) = 5
LCM(25720,25735) = ( 25720 × 25735) / 5
LCM(25720,25735) = 661904200 / 5
LCM(25720,25735) = 132380840

Least Common Multiple (LCM) of 25720 and 25735 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25720 and 25735. First we will calculate the prime factors of 25720 and 25735.

Prime Factorization of 25720

Prime factors of 25720 are 2, 5, 643. Prime factorization of 25720 in exponential form is:

25720 = 23 × 51 × 6431

Prime Factorization of 25735

Prime factors of 25735 are 5, 5147. Prime factorization of 25735 in exponential form is:

25735 = 51 × 51471

Now multiplying the highest exponent prime factors to calculate the LCM of 25720 and 25735.

LCM(25720,25735) = 23 × 51 × 6431 × 51471
LCM(25720,25735) = 132380840