Q: Is 1,649,520 a Composite Number?

Why is 1,649,520 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 1,649,520 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 36 40 45 48 58 60 72 79 80 87 90 116 120 144 145 158 174 180 232 237 240 261 290 316 348 360 395 435 464 474 522 580 632 696 711 720 790 870 948 1,044 1,160 1,185 1,264 1,305 1,392 1,422 1,580 1,740 1,896 2,088 2,291 2,320 2,370 2,610 2,844 3,160 3,480 3,555 3,792 4,176 4,582 4,740 5,220 5,688 6,320 6,873 6,960 7,110 9,164 9,480 10,440 11,376 11,455 13,746 14,220 18,328 18,960 20,619 20,880 22,910 27,492 28,440 34,365 36,656 41,238 45,820 54,984 56,880 68,730 82,476 91,640 103,095 109,968 137,460 164,952 183,280 206,190 274,920 329,904 412,380 549,840 824,760 and 1,649,520, with no remainder.

Since 1,649,520 cannot be divided by just 1 and 1,649,520, 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).