Q: Is 427,280 a Prime Number?
A: No, 427,280 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 427280 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 109 112 140 196 218 245 280 392 436 490 545 560 763 784 872 980 1,090 1,526 1,744 1,960 2,180 3,052 3,815 3,920 4,360 5,341 6,104 7,630 8,720 10,682 12,208 15,260 21,364 26,705 30,520 42,728 53,410 61,040 85,456 106,820 213,640 and 427,280, with no remainder.
Since 427,280 cannot be divided by just 1 and 427,280, it is not a prime number.