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What is the Least Common Multiple of 43081 and 43090?

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 43081 and 43090 is 1856360290.

LCM(43081,43090) = 1856360290

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Least Common Multiple of 43081 and 43090 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43081 and 43090, than apply into the LCM equation.

GCF(43081,43090) = 1
LCM(43081,43090) = ( 43081 × 43090) / 1
LCM(43081,43090) = 1856360290 / 1
LCM(43081,43090) = 1856360290

Least Common Multiple (LCM) of 43081 and 43090 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43081 and 43090. First we will calculate the prime factors of 43081 and 43090.

Prime Factorization of 43081

Prime factors of 43081 are 67, 643. Prime factorization of 43081 in exponential form is:

43081 = 671 × 6431

Prime Factorization of 43090

Prime factors of 43090 are 2, 5, 31, 139. Prime factorization of 43090 in exponential form is:

43090 = 21 × 51 × 311 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 43081 and 43090.

LCM(43081,43090) = 671 × 6431 × 21 × 51 × 311 × 1391
LCM(43081,43090) = 1856360290