Q: Is 83,720 a Prime Number?
A: No, 83,720 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 83720 can be evenly divided by 1 2 4 5 7 8 10 13 14 20 23 26 28 35 40 46 52 56 65 70 91 92 104 115 130 140 161 182 184 230 260 280 299 322 364 455 460 520 598 644 728 805 910 920 1,196 1,288 1,495 1,610 1,820 2,093 2,392 2,990 3,220 3,640 4,186 5,980 6,440 8,372 10,465 11,960 16,744 20,930 41,860 and 83,720, with no remainder.
Since 83,720 cannot be divided by just 1 and 83,720, it is not a prime number.