999997 + 4 = 1000001
Easiest way to answer this question yourself is can this number be divided by 2 or 3 and not have a decimal or any "leftover" numbers? 999997 / 2 = 499998.5 = Nope 999997 / 3 = 333332.33 = Nope Answer: Yes, 999997 is a prime number. No, the above is not a legitimate prime test. 999997 is actually 757 * 1321 and is not prime. There is no easy prime test you can do in your head that I know of.
1000000
Mach .999997
No, it is not a prime number. The factors of 999,997 are: 1 757 1,321 999,997
999,997 is a composite number. Its prime factors are 757 and 1,321.
72
44, 4x11
The sum of adding 4 to itself 23 times is 96. This can be calculated by multiplying 4 by 24, as each addition of 4 counts as one less than the total number of 4s being added. Therefore, 4 x 24 equals 96.
900042
6 + 4 + 3 + 4 + 4 + 5 + 4 + 6 + 5 + 4 + 8 + 4 = 57
9 + 4 + 4 + 4 + 4 + 4 + 5 = 34
16.