Q: Is 1,601,320 a Composite Number?

Why is 1,601,320 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 1,601,320 can be evenly divided by 1 2 4 5 7 8 10 14 19 20 28 35 38 40 43 49 56 70 76 86 95 98 133 140 152 172 190 196 215 245 266 280 301 344 380 392 430 490 532 602 665 760 817 860 931 980 1,064 1,204 1,330 1,505 1,634 1,720 1,862 1,960 2,107 2,408 2,660 3,010 3,268 3,724 4,085 4,214 4,655 5,320 5,719 6,020 6,536 7,448 8,170 8,428 9,310 10,535 11,438 12,040 16,340 16,856 18,620 21,070 22,876 28,595 32,680 37,240 40,033 42,140 45,752 57,190 80,066 84,280 114,380 160,132 200,165 228,760 320,264 400,330 800,660 and 1,601,320, with no remainder.

Since 1,601,320 cannot be divided by just 1 and 1,601,320, 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).