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What is the Least Common Multiple of 71021 and 71036?

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 71021 and 71036 is 5045047756.

LCM(71021,71036) = 5045047756

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Least Common Multiple of 71021 and 71036 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71021 and 71036, than apply into the LCM equation.

GCF(71021,71036) = 1
LCM(71021,71036) = ( 71021 × 71036) / 1
LCM(71021,71036) = 5045047756 / 1
LCM(71021,71036) = 5045047756

Least Common Multiple (LCM) of 71021 and 71036 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71021 and 71036. First we will calculate the prime factors of 71021 and 71036.

Prime Factorization of 71021

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

71021 = 291 × 311 × 791

Prime Factorization of 71036

Prime factors of 71036 are 2, 7, 43, 59. Prime factorization of 71036 in exponential form is:

71036 = 22 × 71 × 431 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 71021 and 71036.

LCM(71021,71036) = 291 × 311 × 791 × 22 × 71 × 431 × 591
LCM(71021,71036) = 5045047756