Q: Is 878,724 a Prime Number?
A: No, 878,724 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 878724 can be evenly divided by 1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 84 99 126 132 154 198 231 252 308 317 396 462 634 693 924 951 1,268 1,386 1,902 2,219 2,772 2,853 3,487 3,804 4,438 5,706 6,657 6,974 8,876 10,461 11,412 13,314 13,948 19,971 20,922 24,409 26,628 31,383 39,942 41,844 48,818 62,766 73,227 79,884 97,636 125,532 146,454 219,681 292,908 439,362 and 878,724, with no remainder.
Since 878,724 cannot be divided by just 1 and 878,724, it is not a prime number.