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What is the Least Common Multiple of 63643 and 63658?

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 63643 and 63658 is 4051386094.

LCM(63643,63658) = 4051386094

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Least Common Multiple of 63643 and 63658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63643 and 63658, than apply into the LCM equation.

GCF(63643,63658) = 1
LCM(63643,63658) = ( 63643 × 63658) / 1
LCM(63643,63658) = 4051386094 / 1
LCM(63643,63658) = 4051386094

Least Common Multiple (LCM) of 63643 and 63658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63643 and 63658. First we will calculate the prime factors of 63643 and 63658.

Prime Factorization of 63643

Prime factors of 63643 are 31, 2053. Prime factorization of 63643 in exponential form is:

63643 = 311 × 20531

Prime Factorization of 63658

Prime factors of 63658 are 2, 7, 4547. Prime factorization of 63658 in exponential form is:

63658 = 21 × 71 × 45471

Now multiplying the highest exponent prime factors to calculate the LCM of 63643 and 63658.

LCM(63643,63658) = 311 × 20531 × 21 × 71 × 45471
LCM(63643,63658) = 4051386094