Q: Is 42,560 a Prime Number?
A: No, 42,560 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 42560 can be evenly divided by 1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 56 64 70 76 80 95 112 133 140 152 160 190 224 266 280 304 320 380 448 532 560 608 665 760 1,064 1,120 1,216 1,330 1,520 2,128 2,240 2,660 3,040 4,256 5,320 6,080 8,512 10,640 21,280 and 42,560, with no remainder.
Since 42,560 cannot be divided by just 1 and 42,560, it is not a prime number.