Q: Is 139,400 a Prime Number?
A: No, 139,400 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 139400 can be evenly divided by 1 2 4 5 8 10 17 20 25 34 40 41 50 68 82 85 100 136 164 170 200 205 328 340 410 425 680 697 820 850 1,025 1,394 1,640 1,700 2,050 2,788 3,400 3,485 4,100 5,576 6,970 8,200 13,940 17,425 27,880 34,850 69,700 and 139,400, with no remainder.
Since 139,400 cannot be divided by just 1 and 139,400, it is not a prime number.