Q: Is 309,400 a Composite Number?

Why is 309,400 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 309,400 can be evenly divided by 1 2 4 5 7 8 10 13 14 17 20 25 26 28 34 35 40 50 52 56 65 68 70 85 91 100 104 119 130 136 140 170 175 182 200 221 238 260 280 325 340 350 364 425 442 455 476 520 595 650 680 700 728 850 884 910 952 1,105 1,190 1,300 1,400 1,547 1,700 1,768 1,820 2,210 2,275 2,380 2,600 2,975 3,094 3,400 3,640 4,420 4,550 4,760 5,525 5,950 6,188 7,735 8,840 9,100 11,050 11,900 12,376 15,470 18,200 22,100 23,800 30,940 38,675 44,200 61,880 77,350 154,700 and 309,400, with no remainder.

Since 309,400 cannot be divided by just 1 and 309,400, 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).