Q: Is 2,721,342 a Prime Number?
A: No, 2,721,342 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 2721342 can be evenly divided by 1 2 3 6 13 26 39 78 139 251 278 417 502 753 834 1,506 1,807 3,263 3,614 5,421 6,526 9,789 10,842 19,578 34,889 69,778 104,667 209,334 453,557 907,114 1,360,671 and 2,721,342, with no remainder.
Since 2,721,342 cannot be divided by just 1 and 2,721,342, it is not a prime number.