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What is the Least Common Multiple of 2230 and 2245?

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 2230 and 2245 is 1001270.

LCM(2230,2245) = 1001270

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Least Common Multiple of 2230 and 2245 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2230 and 2245, than apply into the LCM equation.

GCF(2230,2245) = 5
LCM(2230,2245) = ( 2230 × 2245) / 5
LCM(2230,2245) = 5006350 / 5
LCM(2230,2245) = 1001270

Least Common Multiple (LCM) of 2230 and 2245 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2230 and 2245. First we will calculate the prime factors of 2230 and 2245.

Prime Factorization of 2230

Prime factors of 2230 are 2, 5, 223. Prime factorization of 2230 in exponential form is:

2230 = 21 × 51 × 2231

Prime Factorization of 2245

Prime factors of 2245 are 5, 449. Prime factorization of 2245 in exponential form is:

2245 = 51 × 4491

Now multiplying the highest exponent prime factors to calculate the LCM of 2230 and 2245.

LCM(2230,2245) = 21 × 51 × 2231 × 4491
LCM(2230,2245) = 1001270