Q: Is 542,724 a Prime Number?
A: No, 542,724 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 542724 can be evenly divided by 1 2 3 4 6 7 12 13 14 21 26 28 39 42 49 52 71 78 84 91 98 142 147 156 182 196 213 273 284 294 364 426 497 546 588 637 852 923 994 1,092 1,274 1,491 1,846 1,911 1,988 2,548 2,769 2,982 3,479 3,692 3,822 5,538 5,964 6,461 6,958 7,644 10,437 11,076 12,922 13,916 19,383 20,874 25,844 38,766 41,748 45,227 77,532 90,454 135,681 180,908 271,362 and 542,724, with no remainder.
Since 542,724 cannot be divided by just 1 and 542,724, it is not a prime number.