Q: Is 1,671,280 a Prime Number?
A: No, 1,671,280 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 1671280 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1,040 1,607 3,214 6,428 8,035 12,856 16,070 20,891 25,712 32,140 41,782 64,280 83,564 104,455 128,560 167,128 208,910 334,256 417,820 835,640 and 1,671,280, with no remainder.
Since 1,671,280 cannot be divided by just 1 and 1,671,280, it is not a prime number.