Q: Is 206,720 a Prime Number?
A: No, 206,720 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 206720 can be evenly divided by 1 2 4 5 8 10 16 17 19 20 32 34 38 40 64 68 76 80 85 95 128 136 152 160 170 190 272 304 320 323 340 380 544 608 640 646 680 760 1,088 1,216 1,292 1,360 1,520 1,615 2,176 2,432 2,584 2,720 3,040 3,230 5,168 5,440 6,080 6,460 10,336 10,880 12,160 12,920 20,672 25,840 41,344 51,680 103,360 and 206,720, with no remainder.
Since 206,720 cannot be divided by just 1 and 206,720, it is not a prime number.