Q: Is 1,779,520 a Prime Number?
A: No, 1,779,520 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 1779520 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 67 80 83 134 160 166 268 320 332 335 415 536 664 670 830 1,072 1,328 1,340 1,660 2,144 2,656 2,680 3,320 4,288 5,312 5,360 5,561 6,640 10,720 11,122 13,280 21,440 22,244 26,560 27,805 44,488 55,610 88,976 111,220 177,952 222,440 355,904 444,880 889,760 and 1,779,520, with no remainder.
Since 1,779,520 cannot be divided by just 1 and 1,779,520, it is not a prime number.