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What is the Least Common Multiple of 71281 and 71292?

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 71281 and 71292 is 5081765052.

LCM(71281,71292) = 5081765052

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Least Common Multiple of 71281 and 71292 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71281 and 71292, than apply into the LCM equation.

GCF(71281,71292) = 1
LCM(71281,71292) = ( 71281 × 71292) / 1
LCM(71281,71292) = 5081765052 / 1
LCM(71281,71292) = 5081765052

Least Common Multiple (LCM) of 71281 and 71292 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71281 and 71292. First we will calculate the prime factors of 71281 and 71292.

Prime Factorization of 71281

Prime factors of 71281 are 7, 17, 599. Prime factorization of 71281 in exponential form is:

71281 = 71 × 171 × 5991

Prime Factorization of 71292

Prime factors of 71292 are 2, 3, 13, 457. Prime factorization of 71292 in exponential form is:

71292 = 22 × 31 × 131 × 4571

Now multiplying the highest exponent prime factors to calculate the LCM of 71281 and 71292.

LCM(71281,71292) = 71 × 171 × 5991 × 22 × 31 × 131 × 4571
LCM(71281,71292) = 5081765052