Q: Is 528,920 a Prime Number?
A: No, 528,920 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 528920 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1,889 3,778 7,556 9,445 13,223 15,112 18,890 26,446 37,780 52,892 66,115 75,560 105,784 132,230 264,460 and 528,920, with no remainder.
Since 528,920 cannot be divided by just 1 and 528,920, it is not a prime number.