Q: Is 3,521,240 a Prime Number?
A: No, 3,521,240 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 3521240 can be evenly divided by 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1,873 1,880 3,746 7,492 9,365 14,984 18,730 37,460 74,920 88,031 176,062 352,124 440,155 704,248 880,310 1,760,620 and 3,521,240, with no remainder.
Since 3,521,240 cannot be divided by just 1 and 3,521,240, it is not a prime number.