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What is the Least Common Multiple of 47706 and 47721?

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 47706 and 47721 is 758859342.

LCM(47706,47721) = 758859342

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Least Common Multiple of 47706 and 47721 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47706 and 47721, than apply into the LCM equation.

GCF(47706,47721) = 3
LCM(47706,47721) = ( 47706 × 47721) / 3
LCM(47706,47721) = 2276578026 / 3
LCM(47706,47721) = 758859342

Least Common Multiple (LCM) of 47706 and 47721 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47706 and 47721. First we will calculate the prime factors of 47706 and 47721.

Prime Factorization of 47706

Prime factors of 47706 are 2, 3, 7951. Prime factorization of 47706 in exponential form is:

47706 = 21 × 31 × 79511

Prime Factorization of 47721

Prime factors of 47721 are 3, 15907. Prime factorization of 47721 in exponential form is:

47721 = 31 × 159071

Now multiplying the highest exponent prime factors to calculate the LCM of 47706 and 47721.

LCM(47706,47721) = 21 × 31 × 79511 × 159071
LCM(47706,47721) = 758859342