Q: Is 1,831,620 a Composite Number?

Why is 1,831,620 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 1,831,620 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 89 98 105 140 147 178 196 210 245 267 294 343 356 420 445 490 534 588 623 686 735 890 980 1,029 1,068 1,246 1,335 1,372 1,470 1,715 1,780 1,869 2,058 2,492 2,670 2,940 3,115 3,430 3,738 4,116 4,361 5,145 5,340 6,230 6,860 7,476 8,722 9,345 10,290 12,460 13,083 17,444 18,690 20,580 21,805 26,166 30,527 37,380 43,610 52,332 61,054 65,415 87,220 91,581 122,108 130,830 152,635 183,162 261,660 305,270 366,324 457,905 610,540 915,810 and 1,831,620, with no remainder.

Since 1,831,620 cannot be divided by just 1 and 1,831,620, 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).