Q: Is 402,740 a Prime Number?
A: No, 402,740 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 402740 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 1,549 3,098 6,196 7,745 15,490 20,137 30,980 40,274 80,548 100,685 201,370 and 402,740, with no remainder.
Since 402,740 cannot be divided by just 1 and 402,740, it is not a prime number.