Q: Is 490,400 a Prime Number?
A: No, 490,400 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 490400 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 613 800 1,226 2,452 3,065 4,904 6,130 9,808 12,260 15,325 19,616 24,520 30,650 49,040 61,300 98,080 122,600 245,200 and 490,400, with no remainder.
Since 490,400 cannot be divided by just 1 and 490,400, it is not a prime number.