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What is the Least Common Multiple of 47656 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 47656 and 47665 is 2271523240.

LCM(47656,47665) = 2271523240

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Least Common Multiple of 47656 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 47656 and 47665, than apply into the LCM equation.

GCF(47656,47665) = 1
LCM(47656,47665) = ( 47656 × 47665) / 1
LCM(47656,47665) = 2271523240 / 1
LCM(47656,47665) = 2271523240

Least Common Multiple (LCM) of 47656 and 47665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47656 and 47665. First we will calculate the prime factors of 47656 and 47665.

Prime Factorization of 47656

Prime factors of 47656 are 2, 7, 23, 37. Prime factorization of 47656 in exponential form is:

47656 = 23 × 71 × 231 × 371

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 47656 and 47665.

LCM(47656,47665) = 23 × 71 × 231 × 371 × 51 × 95331
LCM(47656,47665) = 2271523240