Q: Is 600,400 a Prime Number?
A: No, 600,400 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 600400 can be evenly divided by 1 2 4 5 8 10 16 19 20 25 38 40 50 76 79 80 95 100 152 158 190 200 304 316 380 395 400 475 632 760 790 950 1,264 1,501 1,520 1,580 1,900 1,975 3,002 3,160 3,800 3,950 6,004 6,320 7,505 7,600 7,900 12,008 15,010 15,800 24,016 30,020 31,600 37,525 60,040 75,050 120,080 150,100 300,200 and 600,400, with no remainder.
Since 600,400 cannot be divided by just 1 and 600,400, it is not a prime number.