Q: Is 402,724 a Prime Number?
A: No, 402,724 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 402724 can be evenly divided by 1 2 4 7 14 19 28 38 76 133 266 532 757 1,514 3,028 5,299 10,598 14,383 21,196 28,766 57,532 100,681 201,362 and 402,724, with no remainder.
Since 402,724 cannot be divided by just 1 and 402,724, it is not a prime number.