Q: Is 5,200,400 a Prime Number?
A: No, 5,200,400 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 5200400 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 13,001 26,002 52,004 65,005 104,008 130,010 208,016 260,020 325,025 520,040 650,050 1,040,080 1,300,100 2,600,200 and 5,200,400, with no remainder.
Since 5,200,400 cannot be divided by just 1 and 5,200,400, it is not a prime number.