Q: Is 770,400 a Composite Number?

Why is 770,400 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 770,400 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 72 75 80 90 96 100 107 120 144 150 160 180 200 214 225 240 288 300 321 360 400 428 450 480 535 600 642 720 800 856 900 963 1,070 1,200 1,284 1,440 1,605 1,712 1,800 1,926 2,140 2,400 2,568 2,675 3,210 3,424 3,600 3,852 4,280 4,815 5,136 5,350 6,420 7,200 7,704 8,025 8,560 9,630 10,272 10,700 12,840 15,408 16,050 17,120 19,260 21,400 24,075 25,680 30,816 32,100 38,520 42,800 48,150 51,360 64,200 77,040 85,600 96,300 128,400 154,080 192,600 256,800 385,200 and 770,400, with no remainder.

Since 770,400 cannot be divided by just 1 and 770,400, 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).