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What is the Least Common Multiple of 47790 and 47806?

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 47790 and 47806 is 1142324370.

LCM(47790,47806) = 1142324370

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Least Common Multiple of 47790 and 47806 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47790 and 47806, than apply into the LCM equation.

GCF(47790,47806) = 2
LCM(47790,47806) = ( 47790 × 47806) / 2
LCM(47790,47806) = 2284648740 / 2
LCM(47790,47806) = 1142324370

Least Common Multiple (LCM) of 47790 and 47806 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47790 and 47806. First we will calculate the prime factors of 47790 and 47806.

Prime Factorization of 47790

Prime factors of 47790 are 2, 3, 5, 59. Prime factorization of 47790 in exponential form is:

47790 = 21 × 34 × 51 × 591

Prime Factorization of 47806

Prime factors of 47806 are 2, 11, 41, 53. Prime factorization of 47806 in exponential form is:

47806 = 21 × 111 × 411 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 47790 and 47806.

LCM(47790,47806) = 21 × 34 × 51 × 591 × 111 × 411 × 531
LCM(47790,47806) = 1142324370