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What is the Least Common Multiple of 43121 and 43130?

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 43121 and 43130 is 1859808730.

LCM(43121,43130) = 1859808730

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Least Common Multiple of 43121 and 43130 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43121 and 43130, than apply into the LCM equation.

GCF(43121,43130) = 1
LCM(43121,43130) = ( 43121 × 43130) / 1
LCM(43121,43130) = 1859808730 / 1
LCM(43121,43130) = 1859808730

Least Common Multiple (LCM) of 43121 and 43130 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43121 and 43130. First we will calculate the prime factors of 43121 and 43130.

Prime Factorization of 43121

Prime factors of 43121 are 13, 31, 107. Prime factorization of 43121 in exponential form is:

43121 = 131 × 311 × 1071

Prime Factorization of 43130

Prime factors of 43130 are 2, 5, 19, 227. Prime factorization of 43130 in exponential form is:

43130 = 21 × 51 × 191 × 2271

Now multiplying the highest exponent prime factors to calculate the LCM of 43121 and 43130.

LCM(43121,43130) = 131 × 311 × 1071 × 21 × 51 × 191 × 2271
LCM(43121,43130) = 1859808730