Question

Which step is incorrect?

Answer 1

Prove: 17 is a factor of 323.

Step 1: Assume that 17 is not a factor of 323.
Step 2: 323 divided by 17 is 19.
Step 3: A factor is an integer by which another integer is divisible.
Step 4: Therefore, 17 cannot be a factor of 323.

Answer 2

@jim_thompson5910 @Jhannybean

Answer 3

@nincompoop @mathslover @iGreen

Answer 4

@Zale101

Answer 5

@AriPotta

Answer 6

Make a wild guess. What do you think?

Answer 7

I think it is 1 because of the phrasing

Answer 8

wording*

Answer 9

This is an indirect proof. To do an indirect proof, you start out by assuming the opposite of what you want to prove so Step 1 is just fine.

Answer 10

Is Step 2 true?

Answer 11

Yes

Answer 12

What about Step 3?

Answer 13

Yes, step 4 is the answer xD seems like common sense now

Answer 14

Yep

Answer 15

Just didnt read it right or something, thanks!

Answer 16

yw