Q: Is 577,000 a Prime Number?
A: No, 577,000 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 577000 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 577 1,000 1,154 2,308 2,885 4,616 5,770 11,540 14,425 23,080 28,850 57,700 72,125 115,400 144,250 288,500 and 577,000, with no remainder.
Since 577,000 cannot be divided by just 1 and 577,000, it is not a prime number.