Q: Is 31,771,600 a Composite Number?

Why is 31,771,600 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 31,771,600 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 35 40 49 50 56 70 80 98 100 112 140 175 196 200 245 280 350 392 400 490 560 700 784 980 1,225 1,400 1,621 1,960 2,450 2,800 3,242 3,920 4,900 6,484 8,105 9,800 11,347 12,968 16,210 19,600 22,694 25,936 32,420 40,525 45,388 56,735 64,840 79,429 81,050 90,776 113,470 129,680 158,858 162,100 181,552 226,940 283,675 317,716 324,200 397,145 453,880 567,350 635,432 648,400 794,290 907,760 1,134,700 1,270,864 1,588,580 1,985,725 2,269,400 3,177,160 3,971,450 4,538,800 6,354,320 7,942,900 15,885,800 and 31,771,600, with no remainder.

Since 31,771,600 cannot be divided by just 1 and 31,771,600, 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).