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8.

300 ends in 0 or 5, so 5 is a factor

300 is divisible by 4 and 5, so 20 is a factor

300 is even and 3 + 0 + 0 = 3, so 6 is a factor

Leaving 8 to be the non factor

Testing if 8 is a factor: 4 x 3 + 2 x 0 + 0 = 12; 4 x 0 + 2 x 1 + 2 = 4 which is not 8, so 300 is not divisible by 8.

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Q: Which number is NOT a factor of 300 5 8 6 20?
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Related questions

Is 5 a factor of 20?

Five is a factor of 300 yes. If the number ends with 5 or 0, it's divisible by 5.Yes, 6 is a factor of 300. If the number is divisible be 2 and 3, it's divisible by 6.8 is very hard for an 11 year old to know for this number. Sorry, can't help you there.I do know that 20 is a factor of 300, because it's a factor of 100.I hope this helps you a bit.


Which number is a factor of 20 but not a factor of 5?

It is: 4 or 2


What number is a factor of 20 but not a multiple of 4?

A factor of 20 is a number that divides evenly into 20 without leaving a remainder. The factors of 20 are 1, 2, 4, 5, 10, and 20. Among these, the number 5 is a factor of 20 but not a multiple of 4 because it does not result from multiplying 4 by any integer.


What is a number that is a factor of 6012015 and a prime number also a factor of 20?

5 is a prime factor of both numbers.


Obtain two numbers their LCM is 20 and their HCF is 300?

Factorize the LCM 20 = 2 x 2 x 5 Factorize the HCF 300 = 2 x 2x3x5x5 The HCF is the common factor for both numbers whereas the LCM contains all the unique factors of both numbers. So, 2 x 2x5 or 20 is a common factor for both numbers. The factors remaining are 3 and 5. So, 3 is a factor of one number and 5 is the factor of the second number. The first number = 20x 3 = 60 The second number = 20x 5 = 100 So 60 and 100 are two numbers Answer = 60 and 100


Which number is a factor of 20 but not a multiple of 5?

10


Which prime number is a factor of 20?

2 and 5 are.


Which number is a factor of 20 and also a prime number?

2 and 5


What number is a factor of 20 but not a multiple of 2?

1 and 5


What is a prime factor of the composite number 20?

2 and 5


Which number is a factor of 20 but not a multiple of 2?

1 and 5


What is a factor tree for 300?

Here is one factor tree of 300: 300 20 x 15 (4x5) x (3x5) ((2x2)x5) x (3x5) You have reduced it to prime numbers, so you are finished. The factors of 300 are 2, 2, 3, 5, and 5.