Q: Is 21,052,000 a Composite Number?

Why is 21,052,000 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 21,052,000 can be evenly divided by 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 125 152 160 190 200 250 277 304 380 400 475 500 554 608 760 800 950 1,000 1,108 1,385 1,520 1,900 2,000 2,216 2,375 2,770 3,040 3,800 4,000 4,432 4,750 5,263 5,540 6,925 7,600 8,864 9,500 10,526 11,080 13,850 15,200 19,000 21,052 22,160 26,315 27,700 34,625 38,000 42,104 44,320 52,630 55,400 69,250 76,000 84,208 105,260 110,800 131,575 138,500 168,416 210,520 221,600 263,150 277,000 421,040 526,300 554,000 657,875 842,080 1,052,600 1,108,000 1,315,750 2,105,200 2,631,500 4,210,400 5,263,000 10,526,000 and 21,052,000, with no remainder.

Since 21,052,000 cannot be divided by just 1 and 21,052,000, 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).