Q: Is 145,040 a Prime Number?
A: No, 145,040 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 145040 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 35 37 40 49 56 70 74 80 98 112 140 148 185 196 245 259 280 296 370 392 490 518 560 592 740 784 980 1,036 1,295 1,480 1,813 1,960 2,072 2,590 2,960 3,626 3,920 4,144 5,180 7,252 9,065 10,360 14,504 18,130 20,720 29,008 36,260 72,520 and 145,040, with no remainder.
Since 145,040 cannot be divided by just 1 and 145,040, it is not a prime number.