Q: Is 311,130,400 a Composite Number?

Why is 311,130,400 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 311,130,400 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 70 80 98 100 112 140 160 175 196 200 224 245 280 350 392 400 490 560 700 784 800 980 1,120 1,225 1,400 1,568 1,960 2,450 2,800 3,920 4,900 5,600 7,840 7,937 9,800 15,874 19,600 31,748 39,200 39,685 55,559 63,496 79,370 111,118 126,992 158,740 198,425 222,236 253,984 277,795 317,480 388,913 396,850 444,472 555,590 634,960 777,826 793,700 888,944 1,111,180 1,269,920 1,388,975 1,555,652 1,587,400 1,777,888 1,944,565 2,222,360 2,777,950 3,111,304 3,174,800 3,889,130 4,444,720 5,555,900 6,222,608 6,349,600 7,778,260 8,889,440 9,722,825 11,111,800 12,445,216 15,556,520 19,445,650 22,223,600 31,113,040 38,891,300 44,447,200 62,226,080 77,782,600 155,565,200 and 311,130,400, with no remainder.

Since 311,130,400 cannot be divided by just 1 and 311,130,400, 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).