Q: Is 142,290 a Prime Number?
A: No, 142,290 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 142290 can be evenly divided by 1 2 3 5 6 9 10 15 17 18 27 30 31 34 45 51 54 62 85 90 93 102 135 153 155 170 186 255 270 279 306 310 459 465 510 527 558 765 837 918 930 1,054 1,395 1,530 1,581 1,674 2,295 2,635 2,790 3,162 4,185 4,590 4,743 5,270 7,905 8,370 9,486 14,229 15,810 23,715 28,458 47,430 71,145 and 142,290, with no remainder.
Since 142,290 cannot be divided by just 1 and 142,290, it is not a prime number.