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What is the Least Common Multiple of 71121 and 71131?

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 71121 and 71131 is 5058907851.

LCM(71121,71131) = 5058907851

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Least Common Multiple of 71121 and 71131 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71121 and 71131, than apply into the LCM equation.

GCF(71121,71131) = 1
LCM(71121,71131) = ( 71121 × 71131) / 1
LCM(71121,71131) = 5058907851 / 1
LCM(71121,71131) = 5058907851

Least Common Multiple (LCM) of 71121 and 71131 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71121 and 71131. First we will calculate the prime factors of 71121 and 71131.

Prime Factorization of 71121

Prime factors of 71121 are 3, 151, 157. Prime factorization of 71121 in exponential form is:

71121 = 31 × 1511 × 1571

Prime Factorization of 71131

Prime factors of 71131 are 83, 857. Prime factorization of 71131 in exponential form is:

71131 = 831 × 8571

Now multiplying the highest exponent prime factors to calculate the LCM of 71121 and 71131.

LCM(71121,71131) = 31 × 1511 × 1571 × 831 × 8571
LCM(71121,71131) = 5058907851