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Q: What two composite numbers have the prime who's prime factors are 18?

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Prime numbers are whole numbers evenly divisible only by themselves and 1. By convention, 1 is not considered a prime number. Zero cannot be divided by itself because division by 0 is not allowed so it cannot meet the definition of being prime.

reciprocal

One-half and two.

Additive inverses

No it isn't, it's divisible by 10 and 2 and 5. Also, No 780 is not a prime number. A prime number is defined as a number whos divisbility is 1 and its self.

Related questions

4 and 9

Prime numbers are whole numbers evenly divisible only by themselves and 1. By convention, 1 is not considered a prime number. Zero cannot be divided by itself because division by 0 is not allowed so it cannot meet the definition of being prime.

5, 17 and 23.

12 and 16 = 28 3*4 = 12 4*4 = 16

41, 43 59, 61 71, 73

Ok, let's do some prime factoring: 2 2 * 2 11 Those are the prime factors of those numbers. Since 2 and 2 * 2 share a two, we can drop one 2, then multiply the rest... 2 * 2 * 11. 2 * 2 = 4. 4 x 11 = 44. 44 is the smallest number with the factors 2, 4 and 11.

Meles zenawi , lord of a war

The numbers are 28 and 29.

10, 20, 30, 40, 50, 60, 70, 80, 90

reciprocal

29, 29, 29

One-half and two.