Q: Is 7,373,421 a Prime Number?
A: No, 7,373,421 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 7373421 can be evenly divided by 1 3 9 11 33 71 99 213 639 781 1,049 2,343 3,147 7,029 9,441 11,539 34,617 74,479 103,851 223,437 670,311 819,269 2,457,807 and 7,373,421, with no remainder.
Since 7,373,421 cannot be divided by just 1 and 7,373,421, it is not a prime number.