Q: Is 400,423,400 a Prime Number?
A: No, 400,423,400 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 400423400 can be evenly divided by 1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 130 200 260 325 337 457 520 650 674 914 1,300 1,348 1,685 1,828 2,285 2,600 2,696 3,370 3,656 4,381 4,570 5,941 6,740 8,425 8,762 9,140 11,425 11,882 13,480 16,850 17,524 18,280 21,905 22,850 23,764 29,705 33,700 35,048 43,810 45,700 47,528 59,410 67,400 87,620 91,400 109,525 118,820 148,525 154,009 175,240 219,050 237,640 297,050 308,018 438,100 594,100 616,036 770,045 876,200 1,188,200 1,232,072 1,540,090 2,002,117 3,080,180 3,850,225 4,004,234 6,160,360 7,700,450 8,008,468 10,010,585 15,400,900 16,016,936 20,021,170 30,801,800 40,042,340 50,052,925 80,084,680 100,105,850 200,211,700 and 400,423,400, with no remainder.
Since 400,423,400 cannot be divided by just 1 and 400,423,400, it is not a prime number.
| Number | 400,423,398 | 400,423,399 | 400,423,401 | 400,423,402 |
| Prime? | no | no | no | no |