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What is the Least Common Multiple of 71801 and 71808?

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 71801 and 71808 is 5155886208.

LCM(71801,71808) = 5155886208

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Least Common Multiple of 71801 and 71808 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71801 and 71808, than apply into the LCM equation.

GCF(71801,71808) = 1
LCM(71801,71808) = ( 71801 × 71808) / 1
LCM(71801,71808) = 5155886208 / 1
LCM(71801,71808) = 5155886208

Least Common Multiple (LCM) of 71801 and 71808 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71801 and 71808. First we will calculate the prime factors of 71801 and 71808.

Prime Factorization of 71801

Prime factors of 71801 are 19, 3779. Prime factorization of 71801 in exponential form is:

71801 = 191 × 37791

Prime Factorization of 71808

Prime factors of 71808 are 2, 3, 11, 17. Prime factorization of 71808 in exponential form is:

71808 = 27 × 31 × 111 × 171

Now multiplying the highest exponent prime factors to calculate the LCM of 71801 and 71808.

LCM(71801,71808) = 191 × 37791 × 27 × 31 × 111 × 171
LCM(71801,71808) = 5155886208