Q: Is 7,148,421 a Prime Number?
A: No, 7,148,421 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 7148421 can be evenly divided by 1 3 7 9 21 63 113,467 340,401 794,269 1,021,203 2,382,807 and 7,148,421, with no remainder.
Since 7,148,421 cannot be divided by just 1 and 7,148,421, it is not a prime number.