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Why is it sufficient to stop at crossing out number which have 7 as a factor except 7 itself?

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Related Questions

What numbers have ten as a factor?

Every number that ends in 0 except 0 itself.

Which number is factor of every number?

1 and the number itself except that's a Prime number

What are all factors for 29?

29 is prime so there are no factor except 1 and 29 itself

Why is every whole number a multiple and factor of itself?

every number except has atleast 2 factors

Does a prime number have a factor tree?

No. A prime number is one that has no factors except the number '1' and itself.

What is the greatest common factor of 77 and 29?

The greatest common factor is 1. Nothing goes into 29 except 1 and itself, and 29 does not go into 77

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Why is it sufficient to stop at crossing out number which have 7 as a factor except 7 itself

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Q: Why is it sufficient to stop at crossing out number which have 7 as a factor except 7 itself?
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Related questions

The biggest factor of 728 except itself?

364.364.


What numbers have ten as a factor?

Every number that ends in 0 except 0 itself.


Which number is factor of every number?

1 and the number itself except that's a prime number


What are all factors for 29?

29 is prime so there are no factor except 1 and 29 itself


Does a prime number have a factor tree?

No. A prime number is one that has no factors except the number '1' and itself.


Why is every whole number a multiple and factor of itself?

every number except has atleast 2 factors


Is zero ever used as a Greatest common factor?

No. Zero is never a factor, except for maybe zero itself and that's a matter of definition that I don't know.


What is a proper factor of an integer?

Proper factors are like regular factors except they don't include one and the number itself.


What is the greatest common factor of 66 and 79?

79 is prime so nothing can go into it except 1 and itself. so the greatest common factor i think would be 1


Is there a number which has no factors?

A prime numbers has no positive integer factors except itself and 1. The number 1 has only itself as a factor. The number 0 has no factors at all.


Why is 54 a factor of itself?

Every nonzero number is a factor of itself.


What is the greatest common factor of 29 and 77?

The greatest common factor is 1. Nothing goes into 29 except 1 and itself, and 29 does not go into 77