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What is the Least Common Multiple of 63724 and 63742?

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 63724 and 63742 is 2030947604.

LCM(63724,63742) = 2030947604

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Least Common Multiple of 63724 and 63742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63724 and 63742, than apply into the LCM equation.

GCF(63724,63742) = 2
LCM(63724,63742) = ( 63724 × 63742) / 2
LCM(63724,63742) = 4061895208 / 2
LCM(63724,63742) = 2030947604

Least Common Multiple (LCM) of 63724 and 63742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63724 and 63742. First we will calculate the prime factors of 63724 and 63742.

Prime Factorization of 63724

Prime factors of 63724 are 2, 89, 179. Prime factorization of 63724 in exponential form is:

63724 = 22 × 891 × 1791

Prime Factorization of 63742

Prime factors of 63742 are 2, 7, 29, 157. Prime factorization of 63742 in exponential form is:

63742 = 21 × 71 × 291 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 63724 and 63742.

LCM(63724,63742) = 22 × 891 × 1791 × 71 × 291 × 1571
LCM(63724,63742) = 2030947604