Q: Is 133,245 a Prime Number?
A: No, 133,245 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 133245 can be evenly divided by 1 3 5 7 9 15 21 27 35 45 47 63 81 105 135 141 189 235 315 329 405 423 567 705 945 987 1,269 1,645 2,115 2,835 2,961 3,807 4,935 6,345 8,883 14,805 19,035 26,649 44,415 and 133,245, with no remainder.
Since 133,245 cannot be divided by just 1 and 133,245, it is not a prime number.