Q: Is 780,120,120 a Prime Number?
A: No, 780,120,120 is 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 780120120 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 41 52 60 65 78 82 104 120 123 130 156 164 195 205 246 260 312 328 390 410 492 520 533 615 780 820 984 1,066 1,230 1,560 1,599 1,640 2,132 2,460 2,665 3,198 4,264 4,920 5,330 6,396 7,995 10,660 12,197 12,792 15,990 21,320 24,394 31,980 36,591 48,788 60,985 63,960 73,182 97,576 121,970 146,364 158,561 182,955 243,940 292,728 317,122 365,910 475,683 487,880 500,077 634,244 731,820 792,805 951,366 1,000,154 1,268,488 1,463,640 1,500,231 1,585,610 1,902,732 2,000,308 2,378,415 2,500,385 3,000,462 3,171,220 3,805,464 4,000,616 4,756,830 5,000,770 6,000,924 6,342,440 6,501,001 7,501,155 9,513,660 10,001,540 12,001,848 13,002,002 15,002,310 19,027,320 19,503,003 20,003,080 26,004,004 30,004,620 32,505,005 39,006,006 52,008,008 60,009,240 65,010,010 78,012,012 97,515,015 130,020,020 156,024,024 195,030,030 260,040,040 390,060,060 and 780,120,120, with no remainder.
Since 780,120,120 cannot be divided by just 1 and 780,120,120, it is not a prime number.
| Number | 780,120,118 | 780,120,119 | 780,120,121 | 780,120,122 |
| Prime? | no | no | no | no |