Q: Is 155,445,000 a Composite Number?

Why is 155,445,000 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 155,445,000 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 43 50 60 75 86 100 120 125 129 150 172 200 215 241 250 258 300 344 375 430 482 500 516 600 625 645 723 750 860 964 1,000 1,032 1,075 1,205 1,250 1,290 1,446 1,500 1,720 1,875 1,928 2,150 2,410 2,500 2,580 2,892 3,000 3,225 3,615 3,750 4,300 4,820 5,000 5,160 5,375 5,784 6,025 6,450 7,230 7,500 8,600 9,640 10,363 10,750 12,050 12,900 14,460 15,000 16,125 18,075 20,726 21,500 24,100 25,800 26,875 28,920 30,125 31,089 32,250 36,150 41,452 43,000 48,200 51,815 53,750 60,250 62,178 64,500 72,300 80,625 82,904 90,375 103,630 107,500 120,500 124,356 129,000 144,600 150,625 155,445 161,250 180,750 207,260 215,000 241,000 248,712 259,075 301,250 310,890 322,500 361,500 414,520 451,875 518,150 602,500 621,780 645,000 723,000 777,225 903,750 1,036,300 1,205,000 1,243,560 1,295,375 1,554,450 1,807,500 2,072,600 2,590,750 3,108,900 3,615,000 3,886,125 5,181,500 6,217,800 6,476,875 7,772,250 10,363,000 12,953,750 15,544,500 19,430,625 25,907,500 31,089,000 38,861,250 51,815,000 77,722,500 and 155,445,000, with no remainder.

Since 155,445,000 cannot be divided by just 1 and 155,445,000, 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).