Q: Is 397,072 a Prime Number?
A: No, 397,072 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 397072 can be evenly divided by 1 2 4 8 13 16 23 26 46 52 83 92 104 166 184 208 299 332 368 598 664 1,079 1,196 1,328 1,909 2,158 2,392 3,818 4,316 4,784 7,636 8,632 15,272 17,264 24,817 30,544 49,634 99,268 198,536 and 397,072, with no remainder.
Since 397,072 cannot be divided by just 1 and 397,072, it is not a prime number.