Q: Is 121,551,000 a Composite Number?

Why is 121,551,000 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 121,551,000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 25 30 31 40 50 60 62 75 93 100 120 124 125 150 155 186 200 248 250 300 310 372 375 465 500 600 620 744 750 775 930 1,000 1,240 1,307 1,500 1,550 1,860 2,325 2,614 3,000 3,100 3,720 3,875 3,921 4,650 5,228 6,200 6,535 7,750 7,842 9,300 10,456 11,625 13,070 15,500 15,684 18,600 19,605 23,250 26,140 31,000 31,368 32,675 39,210 40,517 46,500 52,280 65,350 78,420 81,034 93,000 98,025 121,551 130,700 156,840 162,068 163,375 196,050 202,585 243,102 261,400 324,136 326,750 392,100 405,170 486,204 490,125 607,755 653,500 784,200 810,340 972,408 980,250 1,012,925 1,215,510 1,307,000 1,620,680 1,960,500 2,025,850 2,431,020 3,038,775 3,921,000 4,051,700 4,862,040 5,064,625 6,077,550 8,103,400 10,129,250 12,155,100 15,193,875 20,258,500 24,310,200 30,387,750 40,517,000 60,775,500 and 121,551,000, with no remainder.

Since 121,551,000 cannot be divided by just 1 and 121,551,000, 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).