Q: Is 648,000 a Composite Number?

Why is 648,000 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 648,000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 64 72 75 80 81 90 96 100 108 120 125 135 144 150 160 162 180 192 200 216 225 240 250 270 288 300 320 324 360 375 400 405 432 450 480 500 540 576 600 648 675 720 750 800 810 864 900 960 1,000 1,080 1,125 1,200 1,296 1,350 1,440 1,500 1,600 1,620 1,728 1,800 2,000 2,025 2,160 2,250 2,400 2,592 2,700 2,880 3,000 3,240 3,375 3,600 4,000 4,050 4,320 4,500 4,800 5,184 5,400 6,000 6,480 6,750 7,200 8,000 8,100 8,640 9,000 10,125 10,800 12,000 12,960 13,500 14,400 16,200 18,000 20,250 21,600 24,000 25,920 27,000 32,400 36,000 40,500 43,200 54,000 64,800 72,000 81,000 108,000 129,600 162,000 216,000 324,000 and 648,000, with no remainder.

Since 648,000 cannot be divided by just 1 and 648,000, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).