Q: Is 139,440 a Prime Number?
A: No, 139,440 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 139440 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 83 84 105 112 120 140 166 168 210 240 249 280 332 336 415 420 498 560 581 664 830 840 996 1,162 1,245 1,328 1,660 1,680 1,743 1,992 2,324 2,490 2,905 3,320 3,486 3,984 4,648 4,980 5,810 6,640 6,972 8,715 9,296 9,960 11,620 13,944 17,430 19,920 23,240 27,888 34,860 46,480 69,720 and 139,440, with no remainder.
Since 139,440 cannot be divided by just 1 and 139,440, it is not a prime number.