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What is the Least Common Multiple of 43043 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 43043 and 43057 is 264757493.

LCM(43043,43057) = 264757493

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Least Common Multiple of 43043 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 43043 and 43057, than apply into the LCM equation.

GCF(43043,43057) = 7
LCM(43043,43057) = ( 43043 × 43057) / 7
LCM(43043,43057) = 1853302451 / 7
LCM(43043,43057) = 264757493

Least Common Multiple (LCM) of 43043 and 43057 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43043 and 43057. First we will calculate the prime factors of 43043 and 43057.

Prime Factorization of 43043

Prime factors of 43043 are 7, 11, 13, 43. Prime factorization of 43043 in exponential form is:

43043 = 71 × 111 × 131 × 431

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 43043 and 43057.

LCM(43043,43057) = 71 × 111 × 131 × 431 × 61511
LCM(43043,43057) = 264757493