Q: Is 2,740,140 a Composite Number?

Why is 2,740,140 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 2,740,140 can be evenly divided by 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 1,170 1,171 2,340 2,342 3,513 4,684 5,855 7,026 10,539 11,710 14,052 15,223 17,565 21,078 23,420 30,446 35,130 42,156 45,669 52,695 60,892 70,260 76,115 91,338 105,390 137,007 152,230 182,676 210,780 228,345 274,014 304,460 456,690 548,028 685,035 913,380 1,370,070 and 2,740,140, with no remainder.

Since 2,740,140 cannot be divided by just 1 and 2,740,140, 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).