Q: Is 542,402 a Prime Number?
A: No, 542,402 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 542402 can be evenly divided by 1 2 7 14 17 34 43 53 86 106 119 238 301 371 602 731 742 901 1,462 1,802 2,279 4,558 5,117 6,307 10,234 12,614 15,953 31,906 38,743 77,486 271,201 and 542,402, with no remainder.
Since 542,402 cannot be divided by just 1 and 542,402, it is not a prime number.