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What is the Least Common Multiple of 2212 and 2224?

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 2212 and 2224 is 1229872.

LCM(2212,2224) = 1229872

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Least Common Multiple of 2212 and 2224 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2212 and 2224, than apply into the LCM equation.

GCF(2212,2224) = 4
LCM(2212,2224) = ( 2212 × 2224) / 4
LCM(2212,2224) = 4919488 / 4
LCM(2212,2224) = 1229872

Least Common Multiple (LCM) of 2212 and 2224 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2212 and 2224. First we will calculate the prime factors of 2212 and 2224.

Prime Factorization of 2212

Prime factors of 2212 are 2, 7, 79. Prime factorization of 2212 in exponential form is:

2212 = 22 × 71 × 791

Prime Factorization of 2224

Prime factors of 2224 are 2, 139. Prime factorization of 2224 in exponential form is:

2224 = 24 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 2212 and 2224.

LCM(2212,2224) = 24 × 71 × 791 × 1391
LCM(2212,2224) = 1229872