Q: Is 1,742,440 a Composite Number?

Why is 1,742,440 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 1,742,440 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 127 140 196 245 254 280 343 392 490 508 635 686 889 980 1,016 1,270 1,372 1,715 1,778 1,960 2,540 2,744 3,430 3,556 4,445 5,080 6,223 6,860 7,112 8,890 12,446 13,720 17,780 24,892 31,115 35,560 43,561 49,784 62,230 87,122 124,460 174,244 217,805 248,920 348,488 435,610 871,220 and 1,742,440, with no remainder.

Since 1,742,440 cannot be divided by just 1 and 1,742,440, 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).