Q: Is 390,240 a Prime Number?
A: No, 390,240 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 390240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 271 288 360 480 542 720 813 1,084 1,355 1,440 1,626 2,168 2,439 2,710 3,252 4,065 4,336 4,878 5,420 6,504 8,130 8,672 9,756 10,840 12,195 13,008 16,260 19,512 21,680 24,390 26,016 32,520 39,024 43,360 48,780 65,040 78,048 97,560 130,080 195,120 and 390,240, with no remainder.
Since 390,240 cannot be divided by just 1 and 390,240, it is not a prime number.