Q: Is 530,000 a Prime Number?
A: No, 530,000 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 530000 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 53 80 100 106 125 200 212 250 265 400 424 500 530 625 848 1,000 1,060 1,250 1,325 2,000 2,120 2,500 2,650 4,240 5,000 5,300 6,625 10,000 10,600 13,250 21,200 26,500 33,125 53,000 66,250 106,000 132,500 265,000 and 530,000, with no remainder.
Since 530,000 cannot be divided by just 1 and 530,000, it is not a prime number.