Q: Is 3,905,920 a Composite Number?

Why is 3,905,920 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 3,905,920 can be evenly divided by 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 272 320 340 359 544 640 680 718 1,088 1,360 1,436 1,795 2,176 2,720 2,872 3,590 5,440 5,744 6,103 7,180 10,880 11,488 12,206 14,360 22,976 24,412 28,720 30,515 45,952 48,824 57,440 61,030 97,648 114,880 122,060 195,296 229,760 244,120 390,592 488,240 781,184 976,480 1,952,960 and 3,905,920, with no remainder.

Since 3,905,920 cannot be divided by just 1 and 3,905,920, 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).