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What is the Least Common Multiple of 47851 and 47870?

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 47851 and 47870 is 2290627370.

LCM(47851,47870) = 2290627370

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Least Common Multiple of 47851 and 47870 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47851 and 47870, than apply into the LCM equation.

GCF(47851,47870) = 1
LCM(47851,47870) = ( 47851 × 47870) / 1
LCM(47851,47870) = 2290627370 / 1
LCM(47851,47870) = 2290627370

Least Common Multiple (LCM) of 47851 and 47870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47851 and 47870. First we will calculate the prime factors of 47851 and 47870.

Prime Factorization of 47851

Prime factors of 47851 are 109, 439. Prime factorization of 47851 in exponential form is:

47851 = 1091 × 4391

Prime Factorization of 47870

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

47870 = 21 × 51 × 47871

Now multiplying the highest exponent prime factors to calculate the LCM of 47851 and 47870.

LCM(47851,47870) = 1091 × 4391 × 21 × 51 × 47871
LCM(47851,47870) = 2290627370