Q: Is 8,742,573 a Prime Number?
A: No, 8,742,573 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 8742573 can be evenly divided by 1 3 7 9 17 21 27 51 63 81 119 153 189 357 459 567 907 1,071 1,377 2,721 3,213 6,349 8,163 9,639 15,419 19,047 24,489 46,257 57,141 73,467 107,933 138,771 171,423 323,799 416,313 514,269 971,397 1,248,939 2,914,191 and 8,742,573, with no remainder.
Since 8,742,573 cannot be divided by just 1 and 8,742,573, it is not a prime number.