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What is the Least Common Multiple of 63858 and 63865?

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 63858 and 63865 is 4078291170.

LCM(63858,63865) = 4078291170

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Least Common Multiple of 63858 and 63865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63858 and 63865, than apply into the LCM equation.

GCF(63858,63865) = 1
LCM(63858,63865) = ( 63858 × 63865) / 1
LCM(63858,63865) = 4078291170 / 1
LCM(63858,63865) = 4078291170

Least Common Multiple (LCM) of 63858 and 63865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63858 and 63865. First we will calculate the prime factors of 63858 and 63865.

Prime Factorization of 63858

Prime factors of 63858 are 2, 3, 29, 367. Prime factorization of 63858 in exponential form is:

63858 = 21 × 31 × 291 × 3671

Prime Factorization of 63865

Prime factors of 63865 are 5, 53, 241. Prime factorization of 63865 in exponential form is:

63865 = 51 × 531 × 2411

Now multiplying the highest exponent prime factors to calculate the LCM of 63858 and 63865.

LCM(63858,63865) = 21 × 31 × 291 × 3671 × 51 × 531 × 2411
LCM(63858,63865) = 4078291170