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What is the Least Common Multiple of 47806 and 47816?

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 47806 and 47816 is 1142945848.

LCM(47806,47816) = 1142945848

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Least Common Multiple of 47806 and 47816 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47806 and 47816, than apply into the LCM equation.

GCF(47806,47816) = 2
LCM(47806,47816) = ( 47806 × 47816) / 2
LCM(47806,47816) = 2285891696 / 2
LCM(47806,47816) = 1142945848

Least Common Multiple (LCM) of 47806 and 47816 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47806 and 47816. First we will calculate the prime factors of 47806 and 47816.

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

Prime Factorization of 47816

Prime factors of 47816 are 2, 43, 139. Prime factorization of 47816 in exponential form is:

47816 = 23 × 431 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 47806 and 47816.

LCM(47806,47816) = 23 × 111 × 411 × 531 × 431 × 1391
LCM(47806,47816) = 1142945848