Q: Is 25,243,620 a Composite Number?

Why is 25,243,620 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 25,243,620 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 37 60 74 83 111 137 148 166 185 222 249 274 332 370 411 415 444 498 548 555 685 740 822 830 996 1,110 1,245 1,370 1,644 1,660 2,055 2,220 2,490 2,740 3,071 4,110 4,980 5,069 6,142 8,220 9,213 10,138 11,371 12,284 15,207 15,355 18,426 20,276 22,742 25,345 30,414 30,710 34,113 36,852 45,484 46,065 50,690 56,855 60,828 61,420 68,226 76,035 92,130 101,380 113,710 136,452 152,070 170,565 184,260 227,420 304,140 341,130 420,727 682,260 841,454 1,262,181 1,682,908 2,103,635 2,524,362 4,207,270 5,048,724 6,310,905 8,414,540 12,621,810 and 25,243,620, with no remainder.

Since 25,243,620 cannot be divided by just 1 and 25,243,620, 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).