prim factorise the following using long division method 1) 84 2)360
Added by Nathaniel M.
Step 1
Now we divide 42 by 2: 42 ÷ 2 = 21 So, 2 is a factor of 42 as well. Now we divide 21 by 3 (the next prime number): 21 ÷ 3 = 7 So, 3 is not a factor of 21, but 7 is a prime number. Show more…
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