Q: Is 742,518 a Prime Number?
A: No, 742,518 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 742518 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 71 83 126 142 166 213 249 426 497 498 581 639 747 994 1,162 1,278 1,491 1,494 1,743 2,982 3,486 4,473 5,229 5,893 8,946 10,458 11,786 17,679 35,358 41,251 53,037 82,502 106,074 123,753 247,506 371,259 and 742,518, with no remainder.
Since 742,518 cannot be divided by just 1 and 742,518, it is not a prime number.