Q: Is 6,407,440 a Prime Number?
A: No, 6,407,440 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 6407440 can be evenly divided by 1 2 4 5 8 10 13 16 20 26 40 52 61 65 80 101 104 122 130 202 208 244 260 305 404 488 505 520 610 793 808 976 1,010 1,040 1,220 1,313 1,586 1,616 2,020 2,440 2,626 3,172 3,965 4,040 4,880 5,252 6,161 6,344 6,565 7,930 8,080 10,504 12,322 12,688 13,130 15,860 21,008 24,644 26,260 30,805 31,720 49,288 52,520 61,610 63,440 80,093 98,576 105,040 123,220 160,186 246,440 320,372 400,465 492,880 640,744 800,930 1,281,488 1,601,860 3,203,720 and 6,407,440, with no remainder.
Since 6,407,440 cannot be divided by just 1 and 6,407,440, it is not a prime number.