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What is the Least Common Multiple of 47870 and 47879?

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 47870 and 47879 is 2291967730.

LCM(47870,47879) = 2291967730

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Least Common Multiple of 47870 and 47879 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47870 and 47879, than apply into the LCM equation.

GCF(47870,47879) = 1
LCM(47870,47879) = ( 47870 × 47879) / 1
LCM(47870,47879) = 2291967730 / 1
LCM(47870,47879) = 2291967730

Least Common Multiple (LCM) of 47870 and 47879 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47870 and 47879. First we will calculate the prime factors of 47870 and 47879.

Prime Factorization of 47870

Prime factors of 47870 are 2, 5, 4787. Prime factorization of 47870 in exponential form is:

47870 = 21 × 51 × 47871

Prime Factorization of 47879

Prime factors of 47879 are 13, 29, 127. Prime factorization of 47879 in exponential form is:

47879 = 131 × 291 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 47870 and 47879.

LCM(47870,47879) = 21 × 51 × 47871 × 131 × 291 × 1271
LCM(47870,47879) = 2291967730