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What is the Least Common Multiple of 71005 and 71017?

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 71005 and 71017 is 5042562085.

LCM(71005,71017) = 5042562085

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Least Common Multiple of 71005 and 71017 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71005 and 71017, than apply into the LCM equation.

GCF(71005,71017) = 1
LCM(71005,71017) = ( 71005 × 71017) / 1
LCM(71005,71017) = 5042562085 / 1
LCM(71005,71017) = 5042562085

Least Common Multiple (LCM) of 71005 and 71017 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71005 and 71017. First we will calculate the prime factors of 71005 and 71017.

Prime Factorization of 71005

Prime factors of 71005 are 5, 11, 1291. Prime factorization of 71005 in exponential form is:

71005 = 51 × 111 × 12911

Prime Factorization of 71017

Prime factors of 71017 are 47, 1511. Prime factorization of 71017 in exponential form is:

71017 = 471 × 15111

Now multiplying the highest exponent prime factors to calculate the LCM of 71005 and 71017.

LCM(71005,71017) = 51 × 111 × 12911 × 471 × 15111
LCM(71005,71017) = 5042562085