Q: Is 398,400 a Composite Number?

Why is 398,400 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 398,400 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 83 96 100 120 150 160 166 192 200 240 249 300 320 332 400 415 480 498 600 664 800 830 960 996 1,200 1,245 1,328 1,600 1,660 1,992 2,075 2,400 2,490 2,656 3,320 3,984 4,150 4,800 4,980 5,312 6,225 6,640 7,968 8,300 9,960 12,450 13,280 15,936 16,600 19,920 24,900 26,560 33,200 39,840 49,800 66,400 79,680 99,600 132,800 199,200 and 398,400, with no remainder.

Since 398,400 cannot be divided by just 1 and 398,400, 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).