Q: Is 20,172,000 a Composite Number?

Why is 20,172,000 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 20,172,000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 41 48 50 60 75 80 82 96 100 120 123 125 150 160 164 200 205 240 246 250 300 328 375 400 410 480 492 500 600 615 656 750 800 820 984 1,000 1,025 1,200 1,230 1,312 1,500 1,640 1,681 1,968 2,000 2,050 2,400 2,460 3,000 3,075 3,280 3,362 3,936 4,000 4,100 4,920 5,043 5,125 6,000 6,150 6,560 6,724 8,200 8,405 9,840 10,086 10,250 12,000 12,300 13,448 15,375 16,400 16,810 19,680 20,172 20,500 24,600 25,215 26,896 30,750 32,800 33,620 40,344 41,000 42,025 49,200 50,430 53,792 61,500 67,240 80,688 82,000 84,050 98,400 100,860 123,000 126,075 134,480 161,376 164,000 168,100 201,720 210,125 246,000 252,150 268,960 336,200 403,440 420,250 492,000 504,300 630,375 672,400 806,880 840,500 1,008,600 1,260,750 1,344,800 1,681,000 2,017,200 2,521,500 3,362,000 4,034,400 5,043,000 6,724,000 10,086,000 and 20,172,000, with no remainder.

Since 20,172,000 cannot be divided by just 1 and 20,172,000, 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).