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What is the Least Common Multiple of 47931 and 47945?

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 47931 and 47945 is 2298051795.

LCM(47931,47945) = 2298051795

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Least Common Multiple of 47931 and 47945 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47931 and 47945, than apply into the LCM equation.

GCF(47931,47945) = 1
LCM(47931,47945) = ( 47931 × 47945) / 1
LCM(47931,47945) = 2298051795 / 1
LCM(47931,47945) = 2298051795

Least Common Multiple (LCM) of 47931 and 47945 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47931 and 47945. First we will calculate the prime factors of 47931 and 47945.

Prime Factorization of 47931

Prime factors of 47931 are 3, 13, 1229. Prime factorization of 47931 in exponential form is:

47931 = 31 × 131 × 12291

Prime Factorization of 47945

Prime factors of 47945 are 5, 43, 223. Prime factorization of 47945 in exponential form is:

47945 = 51 × 431 × 2231

Now multiplying the highest exponent prime factors to calculate the LCM of 47931 and 47945.

LCM(47931,47945) = 31 × 131 × 12291 × 51 × 431 × 2231
LCM(47931,47945) = 2298051795