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What is the Least Common Multiple of 28128 and 28141?

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 28128 and 28141 is 791550048.

LCM(28128,28141) = 791550048

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Least Common Multiple of 28128 and 28141 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28128 and 28141, than apply into the LCM equation.

GCF(28128,28141) = 1
LCM(28128,28141) = ( 28128 × 28141) / 1
LCM(28128,28141) = 791550048 / 1
LCM(28128,28141) = 791550048

Least Common Multiple (LCM) of 28128 and 28141 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28128 and 28141. First we will calculate the prime factors of 28128 and 28141.

Prime Factorization of 28128

Prime factors of 28128 are 2, 3, 293. Prime factorization of 28128 in exponential form is:

28128 = 25 × 31 × 2931

Prime Factorization of 28141

Prime factors of 28141 are 107, 263. Prime factorization of 28141 in exponential form is:

28141 = 1071 × 2631

Now multiplying the highest exponent prime factors to calculate the LCM of 28128 and 28141.

LCM(28128,28141) = 25 × 31 × 2931 × 1071 × 2631
LCM(28128,28141) = 791550048