Q: Is 400,770 a Prime Number?
A: No, 400,770 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 400770 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 45 61 73 90 122 146 183 219 305 365 366 438 549 610 657 730 915 1,095 1,098 1,314 1,830 2,190 2,745 3,285 4,453 5,490 6,570 8,906 13,359 22,265 26,718 40,077 44,530 66,795 80,154 133,590 200,385 and 400,770, with no remainder.
Since 400,770 cannot be divided by just 1 and 400,770, it is not a prime number.