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What is the Least Common Multiple of 2217 and 2228?

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 2217 and 2228 is 4939476.

LCM(2217,2228) = 4939476

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Least Common Multiple of 2217 and 2228 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2217 and 2228, than apply into the LCM equation.

GCF(2217,2228) = 1
LCM(2217,2228) = ( 2217 × 2228) / 1
LCM(2217,2228) = 4939476 / 1
LCM(2217,2228) = 4939476

Least Common Multiple (LCM) of 2217 and 2228 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2217 and 2228. First we will calculate the prime factors of 2217 and 2228.

Prime Factorization of 2217

Prime factors of 2217 are 3, 739. Prime factorization of 2217 in exponential form is:

2217 = 31 × 7391

Prime Factorization of 2228

Prime factors of 2228 are 2, 557. Prime factorization of 2228 in exponential form is:

2228 = 22 × 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 2217 and 2228.

LCM(2217,2228) = 31 × 7391 × 22 × 5571
LCM(2217,2228) = 4939476