Q: Is 2,128,800 a Composite Number?

Why is 2,128,800 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 2,128,800 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 887 1,200 1,774 2,400 2,661 3,548 4,435 5,322 7,096 8,870 10,644 13,305 14,192 17,740 21,288 22,175 26,610 28,384 35,480 42,576 44,350 53,220 66,525 70,960 85,152 88,700 106,440 133,050 141,920 177,400 212,880 266,100 354,800 425,760 532,200 709,600 1,064,400 and 2,128,800, with no remainder.

Since 2,128,800 cannot be divided by just 1 and 2,128,800, 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).