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What is the Least Common Multiple of 47647 and 47665?

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 47647 and 47665 is 2271094255.

LCM(47647,47665) = 2271094255

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Least Common Multiple of 47647 and 47665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47647 and 47665, than apply into the LCM equation.

GCF(47647,47665) = 1
LCM(47647,47665) = ( 47647 × 47665) / 1
LCM(47647,47665) = 2271094255 / 1
LCM(47647,47665) = 2271094255

Least Common Multiple (LCM) of 47647 and 47665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47647 and 47665. First we will calculate the prime factors of 47647 and 47665.

Prime Factorization of 47647

Prime factors of 47647 are 29, 31, 53. Prime factorization of 47647 in exponential form is:

47647 = 291 × 311 × 531

Prime Factorization of 47665

Prime factors of 47665 are 5, 9533. Prime factorization of 47665 in exponential form is:

47665 = 51 × 95331

Now multiplying the highest exponent prime factors to calculate the LCM of 47647 and 47665.

LCM(47647,47665) = 291 × 311 × 531 × 51 × 95331
LCM(47647,47665) = 2271094255