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What is the Least Common Multiple of 3213 and 3228?

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 3213 and 3228 is 3457188.

LCM(3213,3228) = 3457188

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Least Common Multiple of 3213 and 3228 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3213 and 3228, than apply into the LCM equation.

GCF(3213,3228) = 3
LCM(3213,3228) = ( 3213 × 3228) / 3
LCM(3213,3228) = 10371564 / 3
LCM(3213,3228) = 3457188

Least Common Multiple (LCM) of 3213 and 3228 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3213 and 3228. First we will calculate the prime factors of 3213 and 3228.

Prime Factorization of 3213

Prime factors of 3213 are 3, 7, 17. Prime factorization of 3213 in exponential form is:

3213 = 33 × 71 × 171

Prime Factorization of 3228

Prime factors of 3228 are 2, 3, 269. Prime factorization of 3228 in exponential form is:

3228 = 22 × 31 × 2691

Now multiplying the highest exponent prime factors to calculate the LCM of 3213 and 3228.

LCM(3213,3228) = 33 × 71 × 171 × 22 × 2691
LCM(3213,3228) = 3457188