Q: Is 55,550,000 a Prime Number?
A: No, 55,550,000 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 55550000 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 101 110 125 176 200 202 220 250 275 400 404 440 500 505 550 625 808 880 1,000 1,010 1,100 1,111 1,250 1,375 1,616 2,000 2,020 2,200 2,222 2,500 2,525 2,750 3,125 4,040 4,400 4,444 5,000 5,050 5,500 5,555 6,250 6,875 8,080 8,888 10,000 10,100 11,000 11,110 12,500 12,625 13,750 17,776 20,200 22,000 22,220 25,000 25,250 27,500 27,775 34,375 40,400 44,440 50,000 50,500 55,000 55,550 63,125 68,750 88,880 101,000 110,000 111,100 126,250 137,500 138,875 202,000 222,200 252,500 275,000 277,750 315,625 444,400 505,000 550,000 555,500 631,250 694,375 1,010,000 1,111,000 1,262,500 1,388,750 2,222,000 2,525,000 2,777,500 3,471,875 5,050,000 5,555,000 6,943,750 11,110,000 13,887,500 27,775,000 and 55,550,000, with no remainder.
Since 55,550,000 cannot be divided by just 1 and 55,550,000, it is not a prime number.
| Number | 55,549,998 | 55,549,999 | 55,550,001 | 55,550,002 |
| Prime? | no | no | no | no |