Q: Is 1,779,570 a Composite Number?

Why is 1,779,570 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 1,779,570 can be evenly divided by 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 117 130 135 162 169 195 234 270 338 351 390 405 507 585 702 810 845 1,014 1,053 1,170 1,521 1,690 1,755 2,106 2,197 2,535 3,042 3,510 4,394 4,563 5,070 5,265 6,591 7,605 9,126 10,530 10,985 13,182 13,689 15,210 19,773 21,970 22,815 27,378 32,955 39,546 45,630 59,319 65,910 68,445 98,865 118,638 136,890 177,957 197,730 296,595 355,914 593,190 889,785 and 1,779,570, with no remainder.

Since 1,779,570 cannot be divided by just 1 and 1,779,570, 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).