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What is the Least Common Multiple of 2216 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 2216 and 2228 is 1234312.

LCM(2216,2228) = 1234312

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Least Common Multiple of 2216 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 2216 and 2228, than apply into the LCM equation.

GCF(2216,2228) = 4
LCM(2216,2228) = ( 2216 × 2228) / 4
LCM(2216,2228) = 4937248 / 4
LCM(2216,2228) = 1234312

Least Common Multiple (LCM) of 2216 and 2228 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2216 and 2228. First we will calculate the prime factors of 2216 and 2228.

Prime Factorization of 2216

Prime factors of 2216 are 2, 277. Prime factorization of 2216 in exponential form is:

2216 = 23 × 2771

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 2216 and 2228.

LCM(2216,2228) = 23 × 2771 × 5571
LCM(2216,2228) = 1234312