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What is the Least Common Multiple of 43142 and 43161?

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 43142 and 43161 is 1862051862.

LCM(43142,43161) = 1862051862

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Least Common Multiple of 43142 and 43161 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43142 and 43161, than apply into the LCM equation.

GCF(43142,43161) = 1
LCM(43142,43161) = ( 43142 × 43161) / 1
LCM(43142,43161) = 1862051862 / 1
LCM(43142,43161) = 1862051862

Least Common Multiple (LCM) of 43142 and 43161 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43142 and 43161. First we will calculate the prime factors of 43142 and 43161.

Prime Factorization of 43142

Prime factors of 43142 are 2, 11, 37, 53. Prime factorization of 43142 in exponential form is:

43142 = 21 × 111 × 371 × 531

Prime Factorization of 43161

Prime factors of 43161 are 3, 14387. Prime factorization of 43161 in exponential form is:

43161 = 31 × 143871

Now multiplying the highest exponent prime factors to calculate the LCM of 43142 and 43161.

LCM(43142,43161) = 21 × 111 × 371 × 531 × 31 × 143871
LCM(43142,43161) = 1862051862