Q: Is 677,248 a Prime Number?
A: No, 677,248 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 677248 can be evenly divided by 1 2 4 8 11 13 16 22 26 32 37 44 52 64 74 88 104 128 143 148 176 208 286 296 352 407 416 481 572 592 704 814 832 962 1,144 1,184 1,408 1,628 1,664 1,924 2,288 2,368 3,256 3,848 4,576 4,736 5,291 6,512 7,696 9,152 10,582 13,024 15,392 18,304 21,164 26,048 30,784 42,328 52,096 61,568 84,656 169,312 338,624 and 677,248, with no remainder.
Since 677,248 cannot be divided by just 1 and 677,248, it is not a prime number.