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What is the Least Common Multiple of 39723 and 39730?

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 39723 and 39730 is 1578194790.

LCM(39723,39730) = 1578194790

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Least Common Multiple of 39723 and 39730 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39723 and 39730, than apply into the LCM equation.

GCF(39723,39730) = 1
LCM(39723,39730) = ( 39723 × 39730) / 1
LCM(39723,39730) = 1578194790 / 1
LCM(39723,39730) = 1578194790

Least Common Multiple (LCM) of 39723 and 39730 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39723 and 39730. First we will calculate the prime factors of 39723 and 39730.

Prime Factorization of 39723

Prime factors of 39723 are 3, 13241. Prime factorization of 39723 in exponential form is:

39723 = 31 × 132411

Prime Factorization of 39730

Prime factors of 39730 are 2, 5, 29, 137. Prime factorization of 39730 in exponential form is:

39730 = 21 × 51 × 291 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 39723 and 39730.

LCM(39723,39730) = 31 × 132411 × 21 × 51 × 291 × 1371
LCM(39723,39730) = 1578194790