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What is the Least Common Multiple of 65857 and 65872?

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 65857 and 65872 is 4338132304.

LCM(65857,65872) = 4338132304

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Least Common Multiple of 65857 and 65872 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65857 and 65872, than apply into the LCM equation.

GCF(65857,65872) = 1
LCM(65857,65872) = ( 65857 × 65872) / 1
LCM(65857,65872) = 4338132304 / 1
LCM(65857,65872) = 4338132304

Least Common Multiple (LCM) of 65857 and 65872 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65857 and 65872. First we will calculate the prime factors of 65857 and 65872.

Prime Factorization of 65857

Prime factors of 65857 are 11, 5987. Prime factorization of 65857 in exponential form is:

65857 = 111 × 59871

Prime Factorization of 65872

Prime factors of 65872 are 2, 23, 179. Prime factorization of 65872 in exponential form is:

65872 = 24 × 231 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 65857 and 65872.

LCM(65857,65872) = 111 × 59871 × 24 × 231 × 1791
LCM(65857,65872) = 4338132304