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What is the Least Common Multiple of 2282 and 2289?

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 2282 and 2289 is 746214.

LCM(2282,2289) = 746214

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Least Common Multiple of 2282 and 2289 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2282 and 2289, than apply into the LCM equation.

GCF(2282,2289) = 7
LCM(2282,2289) = ( 2282 × 2289) / 7
LCM(2282,2289) = 5223498 / 7
LCM(2282,2289) = 746214

Least Common Multiple (LCM) of 2282 and 2289 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2282 and 2289. First we will calculate the prime factors of 2282 and 2289.

Prime Factorization of 2282

Prime factors of 2282 are 2, 7, 163. Prime factorization of 2282 in exponential form is:

2282 = 21 × 71 × 1631

Prime Factorization of 2289

Prime factors of 2289 are 3, 7, 109. Prime factorization of 2289 in exponential form is:

2289 = 31 × 71 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 2282 and 2289.

LCM(2282,2289) = 21 × 71 × 1631 × 31 × 1091
LCM(2282,2289) = 746214