Q: Is 402,520 a Prime Number?
A: No, 402,520 is 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 402520 can be evenly divided by 1 2 4 5 8 10 20 29 40 58 116 145 232 290 347 580 694 1,160 1,388 1,735 2,776 3,470 6,940 10,063 13,880 20,126 40,252 50,315 80,504 100,630 201,260 and 402,520, with no remainder.
Since 402,520 cannot be divided by just 1 and 402,520, it is not a prime number.