Q: Is 143,000 a Prime Number?
A: No, 143,000 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 143000 can be evenly divided by 1 2 4 5 8 10 11 13 20 22 25 26 40 44 50 52 55 65 88 100 104 110 125 130 143 200 220 250 260 275 286 325 440 500 520 550 572 650 715 1,000 1,100 1,144 1,300 1,375 1,430 1,625 2,200 2,600 2,750 2,860 3,250 3,575 5,500 5,720 6,500 7,150 11,000 13,000 14,300 17,875 28,600 35,750 71,500 and 143,000, with no remainder.
Since 143,000 cannot be divided by just 1 and 143,000, it is not a prime number.