Q: Is 2,420,640 a Composite Number?

Why is 2,420,640 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 2,420,640 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 41 45 48 60 72 80 82 90 96 120 123 144 160 164 180 205 240 246 288 328 360 369 410 480 492 615 656 720 738 820 984 1,230 1,312 1,440 1,476 1,640 1,681 1,845 1,968 2,460 2,952 3,280 3,362 3,690 3,936 4,920 5,043 5,904 6,560 6,724 7,380 8,405 9,840 10,086 11,808 13,448 14,760 15,129 16,810 19,680 20,172 25,215 26,896 29,520 30,258 33,620 40,344 50,430 53,792 59,040 60,516 67,240 75,645 80,688 100,860 121,032 134,480 151,290 161,376 201,720 242,064 268,960 302,580 403,440 484,128 605,160 806,880 1,210,320 and 2,420,640, with no remainder.

Since 2,420,640 cannot be divided by just 1 and 2,420,640, 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).