Q: Is 402,480 a Prime Number?
A: No, 402,480 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 402480 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 43 45 48 52 60 65 72 78 80 86 90 104 117 120 129 130 144 156 172 180 195 208 215 234 240 258 260 312 344 360 387 390 430 468 516 520 559 585 624 645 688 720 774 780 860 936 1,032 1,040 1,118 1,170 1,290 1,548 1,560 1,677 1,720 1,872 1,935 2,064 2,236 2,340 2,580 2,795 3,096 3,120 3,354 3,440 3,870 4,472 4,680 5,031 5,160 5,590 6,192 6,708 7,740 8,385 8,944 9,360 10,062 10,320 11,180 13,416 15,480 16,770 20,124 22,360 25,155 26,832 30,960 33,540 40,248 44,720 50,310 67,080 80,496 100,620 134,160 201,240 and 402,480, with no remainder.
Since 402,480 cannot be divided by just 1 and 402,480, it is not a prime number.