Question

What is the highest factor of 52 that is also a prime number

Answer 1

Factors of 52 = 1, 2, 4, 13, 26, 52.

The greatest factor of 52 that is a prime number is 13.
hopes this helps :D

Answer 2

so find the prime factors of 52 and order them in order of smalest to biggest

52/2=26
26/2=13

factored form of 52=2 times 2 times 13
order
2,2,13
13 is biggest
answer is 13