Q: Is 421,140,225 a Composite Number?

Why is 421,140,225 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 421,140,225 can be evenly divided by 1 3 5 11 15 19 25 33 55 57 67 75 95 165 201 209 275 285 335 401 475 627 737 825 1,005 1,045 1,203 1,273 1,425 1,675 2,005 2,211 3,135 3,685 3,819 4,411 5,025 5,225 6,015 6,365 7,619 10,025 11,055 13,233 14,003 15,675 18,425 19,095 22,055 22,857 26,867 30,075 31,825 38,095 42,009 55,275 66,165 70,015 80,601 83,809 95,475 110,275 114,285 134,335 190,475 210,045 251,427 295,537 330,825 350,075 403,005 419,045 510,473 571,425 671,675 886,611 1,050,225 1,257,135 1,477,685 1,531,419 2,015,025 2,095,225 2,552,365 4,433,055 5,615,203 6,285,675 7,388,425 7,657,095 12,761,825 16,845,609 22,165,275 28,076,015 38,285,475 84,228,045 140,380,075 and 421,140,225, with no remainder.

Since 421,140,225 cannot be divided by just 1 and 421,140,225, 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).