Q: Is 2,538,400 a Composite Number?

Why is 2,538,400 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 2,538,400 can be evenly divided by 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 152 160 167 190 200 304 334 380 400 475 608 668 760 800 835 950 1,336 1,520 1,670 1,900 2,672 3,040 3,173 3,340 3,800 4,175 5,344 6,346 6,680 7,600 8,350 12,692 13,360 15,200 15,865 16,700 25,384 26,720 31,730 33,400 50,768 63,460 66,800 79,325 101,536 126,920 133,600 158,650 253,840 317,300 507,680 634,600 1,269,200 and 2,538,400, with no remainder.

Since 2,538,400 cannot be divided by just 1 and 2,538,400, 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).