Q: Is 31,424,000 a Composite Number?

Why is 31,424,000 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 31,424,000 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 491 500 512 640 800 982 1,000 1,280 1,600 1,964 2,000 2,455 2,560 3,200 3,928 4,000 4,910 6,400 7,856 8,000 9,820 12,275 12,800 15,712 16,000 19,640 24,550 31,424 32,000 39,280 49,100 61,375 62,848 64,000 78,560 98,200 122,750 125,696 157,120 196,400 245,500 251,392 314,240 392,800 491,000 628,480 785,600 982,000 1,256,960 1,571,200 1,964,000 3,142,400 3,928,000 6,284,800 7,856,000 15,712,000 and 31,424,000, with no remainder.

Since 31,424,000 cannot be divided by just 1 and 31,424,000, 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).