Q: Is 427,770 a Prime Number?
A: No, 427,770 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 427770 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 97 98 105 126 147 194 210 245 291 294 315 441 485 490 582 630 679 735 873 882 970 1,358 1,455 1,470 1,746 2,037 2,205 2,910 3,395 4,074 4,365 4,410 4,753 6,111 6,790 8,730 9,506 10,185 12,222 14,259 20,370 23,765 28,518 30,555 42,777 47,530 61,110 71,295 85,554 142,590 213,885 and 427,770, with no remainder.
Since 427,770 cannot be divided by just 1 and 427,770, it is not a prime number.