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How can you work out which 3 prime numbers when multiplied together equal 231?
2 + 3 + 1 = 6, which is divisible by 3, so 231 is divisible by 3. Divide to get 231 = 77 Hard to miss that this is divisible by 7, so we get 231 = 3*7*11
Which numbers are factors of 231?
231 is equal to 77 times 3. So the prime factors of 231 are 3, 7 and 11.
What numbers can go into 231?
The number 231 can be divided by 1, 3, 7, 11, 21, 33, 77, and 231. These numbers are factors of 231 because they can evenly divide 231 without leaving a remainder. Factors are numbers that can be multiplied together to get the original number, in this case, 231.
How many times does 3 go into 231?
Well, let's take a moment to appreciate the beauty of numbers. If we divide 231 by 3, we find that it goes in 77 times. Isn't that just a happy little calculation? Remember, there are no mistakes in math, only happy little accidents.
How many times can 77 go into 231?
231 ÷ 77 = 3
