Q: Is 505,470 a Prime Number?
A: No, 505,470 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 505470 can be evenly divided by 1 2 3 5 6 7 10 14 15 21 29 30 35 42 58 70 83 87 105 145 166 174 203 210 249 290 406 415 435 498 581 609 830 870 1,015 1,162 1,218 1,245 1,743 2,030 2,407 2,490 2,905 3,045 3,486 4,814 5,810 6,090 7,221 8,715 12,035 14,442 16,849 17,430 24,070 33,698 36,105 50,547 72,210 84,245 101,094 168,490 252,735 and 505,470, with no remainder.
Since 505,470 cannot be divided by just 1 and 505,470, it is not a prime number.