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What is the Least Common Multiple of 28007 and 28014?

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 28007 and 28014 is 112084014.

LCM(28007,28014) = 112084014

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Least Common Multiple of 28007 and 28014 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28007 and 28014, than apply into the LCM equation.

GCF(28007,28014) = 7
LCM(28007,28014) = ( 28007 × 28014) / 7
LCM(28007,28014) = 784588098 / 7
LCM(28007,28014) = 112084014

Least Common Multiple (LCM) of 28007 and 28014 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28007 and 28014. First we will calculate the prime factors of 28007 and 28014.

Prime Factorization of 28007

Prime factors of 28007 are 7, 4001. Prime factorization of 28007 in exponential form is:

28007 = 71 × 40011

Prime Factorization of 28014

Prime factors of 28014 are 2, 3, 7, 23, 29. Prime factorization of 28014 in exponential form is:

28014 = 21 × 31 × 71 × 231 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 28007 and 28014.

LCM(28007,28014) = 71 × 40011 × 21 × 31 × 231 × 291
LCM(28007,28014) = 112084014