Q: Is 3,120,000 a Composite Number?

Why is 3,120,000 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 3,120,000 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 64 65 75 78 80 96 100 104 120 125 128 130 150 156 160 192 195 200 208 240 250 260 300 312 320 325 375 384 390 400 416 480 500 520 600 624 625 640 650 750 780 800 832 960 975 1,000 1,040 1,200 1,248 1,250 1,300 1,500 1,560 1,600 1,625 1,664 1,875 1,920 1,950 2,000 2,080 2,400 2,496 2,500 2,600 3,000 3,120 3,200 3,250 3,750 3,900 4,000 4,160 4,800 4,875 4,992 5,000 5,200 6,000 6,240 6,500 7,500 7,800 8,000 8,125 8,320 9,600 9,750 10,000 10,400 12,000 12,480 13,000 15,000 15,600 16,000 16,250 19,500 20,000 20,800 24,000 24,375 24,960 26,000 30,000 31,200 32,500 39,000 40,000 41,600 48,000 48,750 52,000 60,000 62,400 65,000 78,000 80,000 97,500 104,000 120,000 124,800 130,000 156,000 195,000 208,000 240,000 260,000 312,000 390,000 520,000 624,000 780,000 1,040,000 1,560,000 and 3,120,000, with no remainder.

Since 3,120,000 cannot be divided by just 1 and 3,120,000, 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).