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What is the Least Common Multiple of 47943 and 47957?

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 47943 and 47957 is 328457493.

LCM(47943,47957) = 328457493

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Least Common Multiple of 47943 and 47957 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47943 and 47957, than apply into the LCM equation.

GCF(47943,47957) = 7
LCM(47943,47957) = ( 47943 × 47957) / 7
LCM(47943,47957) = 2299202451 / 7
LCM(47943,47957) = 328457493

Least Common Multiple (LCM) of 47943 and 47957 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47943 and 47957. First we will calculate the prime factors of 47943 and 47957.

Prime Factorization of 47943

Prime factors of 47943 are 3, 7, 761. Prime factorization of 47943 in exponential form is:

47943 = 32 × 71 × 7611

Prime Factorization of 47957

Prime factors of 47957 are 7, 13, 17, 31. Prime factorization of 47957 in exponential form is:

47957 = 71 × 131 × 171 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 47943 and 47957.

LCM(47943,47957) = 32 × 71 × 7611 × 131 × 171 × 311
LCM(47943,47957) = 328457493