Q: Is 71,640 a Prime Number?
A: No, 71,640 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 71640 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 199 360 398 597 796 995 1,194 1,592 1,791 1,990 2,388 2,985 3,582 3,980 4,776 5,970 7,164 7,960 8,955 11,940 14,328 17,910 23,880 35,820 and 71,640, with no remainder.
Since 71,640 cannot be divided by just 1 and 71,640, it is not a prime number.