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What is the Least Common Multiple of 67214 and 67228?

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 67214 and 67228 is 322761628.

LCM(67214,67228) = 322761628

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Least Common Multiple of 67214 and 67228 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67214 and 67228, than apply into the LCM equation.

GCF(67214,67228) = 14
LCM(67214,67228) = ( 67214 × 67228) / 14
LCM(67214,67228) = 4518662792 / 14
LCM(67214,67228) = 322761628

Least Common Multiple (LCM) of 67214 and 67228 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67214 and 67228. First we will calculate the prime factors of 67214 and 67228.

Prime Factorization of 67214

Prime factors of 67214 are 2, 7, 4801. Prime factorization of 67214 in exponential form is:

67214 = 21 × 71 × 48011

Prime Factorization of 67228

Prime factors of 67228 are 2, 7. Prime factorization of 67228 in exponential form is:

67228 = 22 × 75

Now multiplying the highest exponent prime factors to calculate the LCM of 67214 and 67228.

LCM(67214,67228) = 22 × 75 × 48011
LCM(67214,67228) = 322761628