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What is the Least Common Multiple of 71017 and 71021?

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 71017 and 71021 is 5043698357.

LCM(71017,71021) = 5043698357

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Least Common Multiple of 71017 and 71021 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71017 and 71021, than apply into the LCM equation.

GCF(71017,71021) = 1
LCM(71017,71021) = ( 71017 × 71021) / 1
LCM(71017,71021) = 5043698357 / 1
LCM(71017,71021) = 5043698357

Least Common Multiple (LCM) of 71017 and 71021 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71017 and 71021. First we will calculate the prime factors of 71017 and 71021.

Prime Factorization of 71017

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

71017 = 471 × 15111

Prime Factorization of 71021

Prime factors of 71021 are 29, 31, 79. Prime factorization of 71021 in exponential form is:

71021 = 291 × 311 × 791

Now multiplying the highest exponent prime factors to calculate the LCM of 71017 and 71021.

LCM(71017,71021) = 471 × 15111 × 291 × 311 × 791
LCM(71017,71021) = 5043698357