Q: Is 3,900,000 a Composite Number?

Why is 3,900,000 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 3,900,000 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 32 39 40 48 50 52 60 65 75 78 80 96 100 104 120 125 130 150 156 160 195 200 208 240 250 260 300 312 325 375 390 400 416 480 500 520 600 624 625 650 750 780 800 975 1,000 1,040 1,200 1,248 1,250 1,300 1,500 1,560 1,625 1,875 1,950 2,000 2,080 2,400 2,500 2,600 3,000 3,120 3,125 3,250 3,750 3,900 4,000 4,875 5,000 5,200 6,000 6,240 6,250 6,500 7,500 7,800 8,125 9,375 9,750 10,000 10,400 12,000 12,500 13,000 15,000 15,600 16,250 18,750 19,500 20,000 24,375 25,000 26,000 30,000 31,200 32,500 37,500 39,000 40,625 48,750 50,000 52,000 60,000 65,000 75,000 78,000 81,250 97,500 100,000 121,875 130,000 150,000 156,000 162,500 195,000 243,750 260,000 300,000 325,000 390,000 487,500 650,000 780,000 975,000 1,300,000 1,950,000 and 3,900,000, with no remainder.

Since 3,900,000 cannot be divided by just 1 and 3,900,000, 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).