Q: Is 247,380 a Composite Number?

Why is 247,380 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 247,380 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 31 35 38 42 57 60 62 70 76 84 93 95 105 114 124 133 140 155 186 190 210 217 228 266 285 310 372 380 399 420 434 465 532 570 589 620 651 665 798 868 930 1,085 1,140 1,178 1,302 1,330 1,596 1,767 1,860 1,995 2,170 2,356 2,604 2,660 2,945 3,255 3,534 3,990 4,123 4,340 5,890 6,510 7,068 7,980 8,246 8,835 11,780 12,369 13,020 16,492 17,670 20,615 24,738 35,340 41,230 49,476 61,845 82,460 123,690 and 247,380, with no remainder.

Since 247,380 cannot be divided by just 1 and 247,380, 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).