Q: Is 145,880 a Prime Number?
A: No, 145,880 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 145880 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 521 1,042 2,084 2,605 3,647 4,168 5,210 7,294 10,420 14,588 18,235 20,840 29,176 36,470 72,940 and 145,880, with no remainder.
Since 145,880 cannot be divided by just 1 and 145,880, it is not a prime number.