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What is the Least Common Multiple of 63742 and 63746?

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 63742 and 63746 is 2031648766.

LCM(63742,63746) = 2031648766

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Least Common Multiple of 63742 and 63746 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63742 and 63746, than apply into the LCM equation.

GCF(63742,63746) = 2
LCM(63742,63746) = ( 63742 × 63746) / 2
LCM(63742,63746) = 4063297532 / 2
LCM(63742,63746) = 2031648766

Least Common Multiple (LCM) of 63742 and 63746 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63742 and 63746. First we will calculate the prime factors of 63742 and 63746.

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

Prime Factorization of 63746

Prime factors of 63746 are 2, 31873. Prime factorization of 63746 in exponential form is:

63746 = 21 × 318731

Now multiplying the highest exponent prime factors to calculate the LCM of 63742 and 63746.

LCM(63742,63746) = 21 × 71 × 291 × 1571 × 318731
LCM(63742,63746) = 2031648766