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What is the Least Common Multiple of 43045 and 43057?

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 43045 and 43057 is 1853388565.

LCM(43045,43057) = 1853388565

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Least Common Multiple of 43045 and 43057 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43045 and 43057, than apply into the LCM equation.

GCF(43045,43057) = 1
LCM(43045,43057) = ( 43045 × 43057) / 1
LCM(43045,43057) = 1853388565 / 1
LCM(43045,43057) = 1853388565

Least Common Multiple (LCM) of 43045 and 43057 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43045 and 43057. First we will calculate the prime factors of 43045 and 43057.

Prime Factorization of 43045

Prime factors of 43045 are 5, 8609. Prime factorization of 43045 in exponential form is:

43045 = 51 × 86091

Prime Factorization of 43057

Prime factors of 43057 are 7, 6151. Prime factorization of 43057 in exponential form is:

43057 = 71 × 61511

Now multiplying the highest exponent prime factors to calculate the LCM of 43045 and 43057.

LCM(43045,43057) = 51 × 86091 × 71 × 61511
LCM(43045,43057) = 1853388565