Q: Is 1,137,528 a Prime Number?
A: No, 1,137,528 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 1137528 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 37 42 56 61 63 72 74 84 111 122 126 148 168 183 222 244 252 259 296 333 366 427 444 488 504 518 549 666 732 777 854 888 1,036 1,098 1,281 1,332 1,464 1,554 1,708 2,072 2,196 2,257 2,331 2,562 2,664 3,108 3,416 3,843 4,392 4,514 4,662 5,124 6,216 6,771 7,686 9,028 9,324 10,248 13,542 15,372 15,799 18,056 18,648 20,313 27,084 30,744 31,598 40,626 47,397 54,168 63,196 81,252 94,794 126,392 142,191 162,504 189,588 284,382 379,176 568,764 and 1,137,528, with no remainder.
Since 1,137,528 cannot be divided by just 1 and 1,137,528, it is not a prime number.