Q: Is 338,624 a Prime Number?
A: No, 338,624 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 338624 can be evenly divided by 1 2 4 8 11 13 16 22 26 32 37 44 52 64 74 88 104 143 148 176 208 286 296 352 407 416 481 572 592 704 814 832 962 1,144 1,184 1,628 1,924 2,288 2,368 3,256 3,848 4,576 5,291 6,512 7,696 9,152 10,582 13,024 15,392 21,164 26,048 30,784 42,328 84,656 169,312 and 338,624, with no remainder.
Since 338,624 cannot be divided by just 1 and 338,624, it is not a prime number.