Q: Is 21,363,000 a Composite Number?

Why is 21,363,000 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 21,363,000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1,000 1,500 3,000 7,121 14,242 21,363 28,484 35,605 42,726 56,968 71,210 85,452 106,815 142,420 170,904 178,025 213,630 284,840 356,050 427,260 534,075 712,100 854,520 890,125 1,068,150 1,424,200 1,780,250 2,136,300 2,670,375 3,560,500 4,272,600 5,340,750 7,121,000 10,681,500 and 21,363,000, with no remainder.

Since 21,363,000 cannot be divided by just 1 and 21,363,000, 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).