Q: Is 399,000 a Composite Number?

Why is 399,000 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 399,000 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 19 20 21 24 25 28 30 35 38 40 42 50 56 57 60 70 75 76 84 95 100 105 114 120 125 133 140 150 152 168 175 190 200 210 228 250 266 280 285 300 350 375 380 399 420 456 475 500 525 532 570 600 665 700 750 760 798 840 875 950 1,000 1,050 1,064 1,140 1,330 1,400 1,425 1,500 1,596 1,750 1,900 1,995 2,100 2,280 2,375 2,625 2,660 2,850 3,000 3,192 3,325 3,500 3,800 3,990 4,200 4,750 5,250 5,320 5,700 6,650 7,000 7,125 7,980 9,500 9,975 10,500 11,400 13,300 14,250 15,960 16,625 19,000 19,950 21,000 26,600 28,500 33,250 39,900 49,875 57,000 66,500 79,800 99,750 133,000 199,500 and 399,000, with no remainder.

Since 399,000 cannot be divided by just 1 and 399,000, 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).