Q: Is 197,125,200 a Prime Number?

Why is 197,125,200 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 197125200 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 30 34 36 40 45 48 50 51 60 68 72 75 80 85 90 100 102 120 136 144 150 153 170 180 200 204 225 240 255 272 300 306 340 360 400 408 425 450 510 600 612 680 720 765 816 850 900 1,020 1,200 1,224 1,275 1,360 1,530 1,700 1,800 2,040 2,448 2,550 3,060 3,221 3,400 3,600 3,825 4,080 5,100 6,120 6,442 6,800 7,650 9,663 10,200 12,240 12,884 15,300 16,105 19,326 20,400 25,768 28,989 30,600 32,210 38,652 48,315 51,536 54,757 57,978 61,200 64,420 77,304 80,525 96,630 109,514 115,956 128,840 144,945 154,608 161,050 164,271 193,260 219,028 231,912 241,575 257,680 273,785 289,890 322,100 328,542 386,520 438,056 463,824 483,150 492,813 547,570 579,780 644,200 657,084 724,725 773,040 821,355 876,112 966,300 985,626 1,095,140 1,159,560 1,288,400 1,314,168 1,368,925 1,449,450 1,642,710 1,932,600 1,971,252 2,190,280 2,319,120 2,464,065 2,628,336 2,737,850 2,898,900 3,285,420 3,865,200 3,942,504 4,106,775 4,380,560 4,928,130 5,475,700 5,797,800 6,570,840 7,885,008 8,213,550 9,856,260 10,951,400 11,595,600 12,320,325 13,141,680 16,427,100 19,712,520 21,902,800 24,640,650 32,854,200 39,425,040 49,281,300 65,708,400 98,562,600 and 197,125,200, with no remainder.

Since 197,125,200 cannot be divided by just 1 and 197,125,200, it is not a prime number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).