Q: Is 71,920 a Prime Number?
A: No, 71,920 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 71920 can be evenly divided by 1 2 4 5 8 10 16 20 29 31 40 58 62 80 116 124 145 155 232 248 290 310 464 496 580 620 899 1,160 1,240 1,798 2,320 2,480 3,596 4,495 7,192 8,990 14,384 17,980 35,960 and 71,920, with no remainder.
Since 71,920 cannot be divided by just 1 and 71,920, it is not a prime number.