Q: Is 1,021,000 a Prime Number?
A: No, 1,021,000 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 1021000 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1,000 1,021 2,042 4,084 5,105 8,168 10,210 20,420 25,525 40,840 51,050 102,100 127,625 204,200 255,250 510,500 and 1,021,000, with no remainder.
Since 1,021,000 cannot be divided by just 1 and 1,021,000, it is not a prime number.