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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
Is the number 231 a prime number?
231 is NOT a prime number. It is divisible by 3, 7 and 11.
Is 231 a prime number?
No! It is divisible by 21 and 11 (21x11=231)
Are all numbers that are divisible by 9 divisible by 3?
Yes; all numbers that are divisible by 9 are divisible by 3.
Is 600 divisible by 3?
Yes. 600 ÷ 3 = 200
Is 231 divisible evenly by 3?
Yes: 231 / 3 = 77
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
Is 231 divisible evenly by 5?
No, 231 is only divisible evenly by: 1, 3, 7, 11, 21, 33, 77, 231.
Why is 231 a composite number?
It is divisible by 3.
Is 693 prime?
no it is divisible by 3 and 231
Is 77 a multiply of 3?
231
Is the number 231 a prime number?
231 is NOT a prime number. It is divisible by 3, 7 and 11.
Which 2 numbers can divide 231?
The number 231 is divisible by 1, 3, 7, 11, 21, 33, 77, 231.
What is 231 divisible by?
1, 3, 7, 11, 21, 33, 77, 231.
What is 77 divided by 231?
0.3333
Is 231 divisible by 5 yes or no?
no because 1 is not divisble by 5
Is 2 divisible by 231?
no!
