Q: Is 553,000 a Prime Number?

 A: No, 553,000 is not a prime number.

Why is 553,000 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 553000 can be evenly divided by 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 79 100 125 140 158 175 200 250 280 316 350 395 500 553 632 700 790 875 1,000 1,106 1,400 1,580 1,750 1,975 2,212 2,765 3,160 3,500 3,950 4,424 5,530 7,000 7,900 9,875 11,060 13,825 15,800 19,750 22,120 27,650 39,500 55,300 69,125 79,000 110,600 138,250 276,500 and 553,000, with no remainder.

Since 553,000 cannot be divided by just 1 and 553,000, it is not a prime number.


More Examples

Number 552,998552,999553,001553,002
Prime? nononono
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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