Q: Is 172,920 a Prime Number?
A: No, 172,920 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 172920 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 131 132 165 220 262 264 330 393 440 524 655 660 786 1,048 1,310 1,320 1,441 1,572 1,965 2,620 2,882 3,144 3,930 4,323 5,240 5,764 7,205 7,860 8,646 11,528 14,410 15,720 17,292 21,615 28,820 34,584 43,230 57,640 86,460 and 172,920, with no remainder.
Since 172,920 cannot be divided by just 1 and 172,920, it is not a prime number.