Q: Is 1,242,000 a Composite Number?

Why is 1,242,000 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 1,242,000 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 25 27 30 36 40 45 46 48 50 54 60 69 72 75 80 90 92 100 108 115 120 125 135 138 144 150 180 184 200 207 216 225 230 240 250 270 276 300 345 360 368 375 400 414 432 450 460 500 540 552 575 600 621 675 690 720 750 828 900 920 1,000 1,035 1,080 1,104 1,125 1,150 1,200 1,242 1,350 1,380 1,500 1,656 1,725 1,800 1,840 2,000 2,070 2,160 2,250 2,300 2,484 2,700 2,760 2,875 3,000 3,105 3,312 3,375 3,450 3,600 4,140 4,500 4,600 4,968 5,175 5,400 5,520 5,750 6,000 6,210 6,750 6,900 8,280 8,625 9,000 9,200 9,936 10,350 10,800 11,500 12,420 13,500 13,800 15,525 16,560 17,250 18,000 20,700 23,000 24,840 25,875 27,000 27,600 31,050 34,500 41,400 46,000 49,680 51,750 54,000 62,100 69,000 77,625 82,800 103,500 124,200 138,000 155,250 207,000 248,400 310,500 414,000 621,000 and 1,242,000, with no remainder.

Since 1,242,000 cannot be divided by just 1 and 1,242,000, 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).