Q: Is 401,280 a Composite Number?

Why is 401,280 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 401,280 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 19 20 22 24 30 32 33 38 40 44 48 55 57 60 64 66 76 80 88 95 96 110 114 120 128 132 152 160 165 176 190 192 209 220 228 240 264 285 304 320 330 352 380 384 418 440 456 480 528 570 608 627 640 660 704 760 836 880 912 960 1,045 1,056 1,140 1,216 1,254 1,320 1,408 1,520 1,672 1,760 1,824 1,920 2,090 2,112 2,280 2,432 2,508 2,640 3,040 3,135 3,344 3,520 3,648 4,180 4,224 4,560 5,016 5,280 6,080 6,270 6,688 7,040 7,296 8,360 9,120 10,032 10,560 12,160 12,540 13,376 16,720 18,240 20,064 21,120 25,080 26,752 33,440 36,480 40,128 50,160 66,880 80,256 100,320 133,760 200,640 and 401,280, with no remainder.

Since 401,280 cannot be divided by just 1 and 401,280, 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).