Q: Is 147,420 a Prime Number?
A: No, 147,420 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 147420 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 27 28 30 35 36 39 42 45 52 54 60 63 65 70 78 81 84 90 91 105 108 117 126 130 135 140 156 162 180 182 189 195 210 234 252 260 270 273 315 324 351 364 378 390 405 420 455 468 540 546 567 585 630 702 756 780 810 819 910 945 1,053 1,092 1,134 1,170 1,260 1,365 1,404 1,620 1,638 1,755 1,820 1,890 2,106 2,268 2,340 2,457 2,730 2,835 3,276 3,510 3,780 4,095 4,212 4,914 5,265 5,460 5,670 7,020 7,371 8,190 9,828 10,530 11,340 12,285 14,742 16,380 21,060 24,570 29,484 36,855 49,140 73,710 and 147,420, with no remainder.
Since 147,420 cannot be divided by just 1 and 147,420, it is not a prime number.