Q: Is 445,740 a Prime Number?
A: No, 445,740 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 445740 can be evenly divided by 1 2 3 4 5 6 10 12 15 17 19 20 23 30 34 38 46 51 57 60 68 69 76 85 92 95 102 114 115 138 170 190 204 228 230 255 276 285 323 340 345 380 391 437 460 510 570 646 690 782 874 969 1,020 1,140 1,173 1,292 1,311 1,380 1,564 1,615 1,748 1,938 1,955 2,185 2,346 2,622 3,230 3,876 3,910 4,370 4,692 4,845 5,244 5,865 6,460 6,555 7,429 7,820 8,740 9,690 11,730 13,110 14,858 19,380 22,287 23,460 26,220 29,716 37,145 44,574 74,290 89,148 111,435 148,580 222,870 and 445,740, with no remainder.
Since 445,740 cannot be divided by just 1 and 445,740, it is not a prime number.