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What is the Least Common Multiple of 47870 and 47886?

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 47886 is 1146151410.

LCM(47870,47886) = 1146151410

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Least Common Multiple of 47870 and 47886 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 47886, than apply into the LCM equation.

GCF(47870,47886) = 2
LCM(47870,47886) = ( 47870 × 47886) / 2
LCM(47870,47886) = 2292302820 / 2
LCM(47870,47886) = 1146151410

Least Common Multiple (LCM) of 47870 and 47886 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47870 and 47886. First we will calculate the prime factors of 47870 and 47886.

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 47886

Prime factors of 47886 are 2, 3, 23, 347. Prime factorization of 47886 in exponential form is:

47886 = 21 × 31 × 231 × 3471

Now multiplying the highest exponent prime factors to calculate the LCM of 47870 and 47886.

LCM(47870,47886) = 21 × 51 × 47871 × 31 × 231 × 3471
LCM(47870,47886) = 1146151410