Q: Is 378,240 a Prime Number?
A: No, 378,240 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 378240 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 197 240 320 384 394 480 591 640 788 960 985 1,182 1,576 1,920 1,970 2,364 2,955 3,152 3,940 4,728 5,910 6,304 7,880 9,456 11,820 12,608 15,760 18,912 23,640 25,216 31,520 37,824 47,280 63,040 75,648 94,560 126,080 189,120 and 378,240, with no remainder.
Since 378,240 cannot be divided by just 1 and 378,240, it is not a prime number.