Q: Is 550,172 a Prime Number?
A: No, 550,172 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 550172 can be evenly divided by 1 2 4 7 14 28 49 98 196 343 401 686 802 1,372 1,604 2,807 5,614 11,228 19,649 39,298 78,596 137,543 275,086 and 550,172, with no remainder.
Since 550,172 cannot be divided by just 1 and 550,172, it is not a prime number.