Q: Is 142,128 a Prime Number?
A: No, 142,128 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 142128 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 47 48 54 56 63 72 84 94 108 112 126 141 144 168 188 189 216 252 282 329 336 376 378 423 432 504 564 658 752 756 846 987 1,008 1,128 1,269 1,316 1,512 1,692 1,974 2,256 2,538 2,632 2,961 3,024 3,384 3,948 5,076 5,264 5,922 6,768 7,896 8,883 10,152 11,844 15,792 17,766 20,304 23,688 35,532 47,376 71,064 and 142,128, with no remainder.
Since 142,128 cannot be divided by just 1 and 142,128, it is not a prime number.