Q: Is 521,130 a Prime Number?
A: No, 521,130 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 521130 can be evenly divided by 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 599 870 1,198 1,797 2,995 3,594 5,990 8,985 17,371 17,970 34,742 52,113 86,855 104,226 173,710 260,565 and 521,130, with no remainder.
Since 521,130 cannot be divided by just 1 and 521,130, it is not a prime number.