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What is the Least Common Multiple of 4870 and 4886?

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 4870 and 4886 is 11897410.

LCM(4870,4886) = 11897410

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Least Common Multiple of 4870 and 4886 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4870 and 4886, than apply into the LCM equation.

GCF(4870,4886) = 2
LCM(4870,4886) = ( 4870 × 4886) / 2
LCM(4870,4886) = 23794820 / 2
LCM(4870,4886) = 11897410

Least Common Multiple (LCM) of 4870 and 4886 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4870 and 4886. First we will calculate the prime factors of 4870 and 4886.

Prime Factorization of 4870

Prime factors of 4870 are 2, 5, 487. Prime factorization of 4870 in exponential form is:

4870 = 21 × 51 × 4871

Prime Factorization of 4886

Prime factors of 4886 are 2, 7, 349. Prime factorization of 4886 in exponential form is:

4886 = 21 × 71 × 3491

Now multiplying the highest exponent prime factors to calculate the LCM of 4870 and 4886.

LCM(4870,4886) = 21 × 51 × 4871 × 71 × 3491
LCM(4870,4886) = 11897410