No - rounded to two decimal places, 291/87 = 3.34
None. 291 is not divisible by 7 and so you cant have a whole number factor pair with 7
No, the factors of 291 are 1 3 97 291.
Greatest common factor of 291 and 485 is 97.
You know that 7 isn't a factor of 291 because the quotient of 291 and 7 isn't a whole number.
There isn't an easy test for 7. You have to divide it. 7 is not a factor of 291.
ThE aNsWer Is YeS
291 = 3 x 97
The PF of 291 is: 3 x 97
7 doesn't have an easy test. But when I see that 291 is made up of 280 + 11, I know that 7 is not a factor.
3
There are 2 factor pairs of 87:87 = 1 x 8787 = 3 x 29
1, 3, 29, 87