Q: Is 845,120 a Prime Number?
A: No, 845,120 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 845120 can be evenly divided by 1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 139 152 160 190 278 304 320 380 556 608 695 760 1,112 1,216 1,390 1,520 2,224 2,641 2,780 3,040 4,448 5,282 5,560 6,080 8,896 10,564 11,120 13,205 21,128 22,240 26,410 42,256 44,480 52,820 84,512 105,640 169,024 211,280 422,560 and 845,120, with no remainder.
Since 845,120 cannot be divided by just 1 and 845,120, it is not a prime number.