Q: Is 1,353,780 a Composite Number?

Why is 1,353,780 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 1,353,780 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 23 27 30 36 45 46 54 60 69 90 92 108 109 115 135 138 180 207 218 230 270 276 327 345 414 436 460 540 545 621 654 690 828 981 1,035 1,090 1,242 1,308 1,380 1,635 1,962 2,070 2,180 2,484 2,507 2,943 3,105 3,270 3,924 4,140 4,905 5,014 5,886 6,210 6,540 7,521 9,810 10,028 11,772 12,420 12,535 14,715 15,042 19,620 22,563 25,070 29,430 30,084 37,605 45,126 50,140 58,860 67,689 75,210 90,252 112,815 135,378 150,420 225,630 270,756 338,445 451,260 676,890 and 1,353,780, with no remainder.

Since 1,353,780 cannot be divided by just 1 and 1,353,780, 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).