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What is the Least Common Multiple of 80885 and 80903?

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 80885 and 80903 is 6543839155.

LCM(80885,80903) = 6543839155

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Least Common Multiple of 80885 and 80903 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80885 and 80903, than apply into the LCM equation.

GCF(80885,80903) = 1
LCM(80885,80903) = ( 80885 × 80903) / 1
LCM(80885,80903) = 6543839155 / 1
LCM(80885,80903) = 6543839155

Least Common Multiple (LCM) of 80885 and 80903 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80885 and 80903. First we will calculate the prime factors of 80885 and 80903.

Prime Factorization of 80885

Prime factors of 80885 are 5, 7, 2311. Prime factorization of 80885 in exponential form is:

80885 = 51 × 71 × 23111

Prime Factorization of 80903

Prime factors of 80903 are 17, 4759. Prime factorization of 80903 in exponential form is:

80903 = 171 × 47591

Now multiplying the highest exponent prime factors to calculate the LCM of 80885 and 80903.

LCM(80885,80903) = 51 × 71 × 23111 × 171 × 47591
LCM(80885,80903) = 6543839155