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What is the Least Common Multiple of 28273 and 28290?

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 28273 and 28290 is 799843170.

LCM(28273,28290) = 799843170

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Least Common Multiple of 28273 and 28290 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28273 and 28290, than apply into the LCM equation.

GCF(28273,28290) = 1
LCM(28273,28290) = ( 28273 × 28290) / 1
LCM(28273,28290) = 799843170 / 1
LCM(28273,28290) = 799843170

Least Common Multiple (LCM) of 28273 and 28290 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28273 and 28290. First we will calculate the prime factors of 28273 and 28290.

Prime Factorization of 28273

Prime factors of 28273 are 7, 577. Prime factorization of 28273 in exponential form is:

28273 = 72 × 5771

Prime Factorization of 28290

Prime factors of 28290 are 2, 3, 5, 23, 41. Prime factorization of 28290 in exponential form is:

28290 = 21 × 31 × 51 × 231 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 28273 and 28290.

LCM(28273,28290) = 72 × 5771 × 21 × 31 × 51 × 231 × 411
LCM(28273,28290) = 799843170