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What is the Least Common Multiple of 71288 and 71298?

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 71288 and 71298 is 2541345912.

LCM(71288,71298) = 2541345912

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Least Common Multiple of 71288 and 71298 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71288 and 71298, than apply into the LCM equation.

GCF(71288,71298) = 2
LCM(71288,71298) = ( 71288 × 71298) / 2
LCM(71288,71298) = 5082691824 / 2
LCM(71288,71298) = 2541345912

Least Common Multiple (LCM) of 71288 and 71298 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71288 and 71298. First we will calculate the prime factors of 71288 and 71298.

Prime Factorization of 71288

Prime factors of 71288 are 2, 7, 19, 67. Prime factorization of 71288 in exponential form is:

71288 = 23 × 71 × 191 × 671

Prime Factorization of 71298

Prime factors of 71298 are 2, 3, 17, 233. Prime factorization of 71298 in exponential form is:

71298 = 21 × 32 × 171 × 2331

Now multiplying the highest exponent prime factors to calculate the LCM of 71288 and 71298.

LCM(71288,71298) = 23 × 71 × 191 × 671 × 32 × 171 × 2331
LCM(71288,71298) = 2541345912