Q: Is 161,040 a Prime Number?
A: No, 161,040 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 161040 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 61 66 80 88 110 120 122 132 165 176 183 220 240 244 264 305 330 366 440 488 528 610 660 671 732 880 915 976 1,220 1,320 1,342 1,464 1,830 2,013 2,440 2,640 2,684 2,928 3,355 3,660 4,026 4,880 5,368 6,710 7,320 8,052 10,065 10,736 13,420 14,640 16,104 20,130 26,840 32,208 40,260 53,680 80,520 and 161,040, with no remainder.
Since 161,040 cannot be divided by just 1 and 161,040, it is not a prime number.