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What is the Least Common Multiple of 28294 and 28300?

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 28294 and 28300 is 400360100.

LCM(28294,28300) = 400360100

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Least Common Multiple of 28294 and 28300 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28294 and 28300, than apply into the LCM equation.

GCF(28294,28300) = 2
LCM(28294,28300) = ( 28294 × 28300) / 2
LCM(28294,28300) = 800720200 / 2
LCM(28294,28300) = 400360100

Least Common Multiple (LCM) of 28294 and 28300 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28294 and 28300. First we will calculate the prime factors of 28294 and 28300.

Prime Factorization of 28294

Prime factors of 28294 are 2, 7, 43, 47. Prime factorization of 28294 in exponential form is:

28294 = 21 × 71 × 431 × 471

Prime Factorization of 28300

Prime factors of 28300 are 2, 5, 283. Prime factorization of 28300 in exponential form is:

28300 = 22 × 52 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 28294 and 28300.

LCM(28294,28300) = 22 × 71 × 431 × 471 × 52 × 2831
LCM(28294,28300) = 400360100