Q: Is 31,021,000 a Prime Number?

 A: No, 31,021,000 is not a prime number.

Why is 31,021,000 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 31021000 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 67 100 125 134 200 250 268 335 463 500 536 670 926 1,000 1,340 1,675 1,852 2,315 2,680 3,350 3,704 4,630 6,700 8,375 9,260 11,575 13,400 16,750 18,520 23,150 31,021 33,500 46,300 57,875 62,042 67,000 92,600 115,750 124,084 155,105 231,500 248,168 310,210 463,000 620,420 775,525 1,240,840 1,551,050 3,102,100 3,877,625 6,204,200 7,755,250 15,510,500 and 31,021,000, with no remainder.

Since 31,021,000 cannot be divided by just 1 and 31,021,000, it is not a prime number.


More Examples

  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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