Q: Is 339,720 a Prime Number?
A: No, 339,720 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 339720 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 149 152 190 228 285 298 380 447 456 570 596 745 760 894 1,140 1,192 1,490 1,788 2,235 2,280 2,831 2,980 3,576 4,470 5,662 5,960 8,493 8,940 11,324 14,155 16,986 17,880 22,648 28,310 33,972 42,465 56,620 67,944 84,930 113,240 169,860 and 339,720, with no remainder.
Since 339,720 cannot be divided by just 1 and 339,720, it is not a prime number.