Q: Is 487,840 a Prime Number?
A: No, 487,840 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 487840 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 3,049 6,098 12,196 15,245 24,392 30,490 48,784 60,980 97,568 121,960 243,920 and 487,840, with no remainder.
Since 487,840 cannot be divided by just 1 and 487,840, it is not a prime number.