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What number has 21 and 15 as a factor?
Any multiple of 105.
What is the greatest factor of 60 and 75?
The greatest factor of any number is the number itself. The greatest common factor of 60 and 75 is 15.
Is 15 a factor of 5?
No, 15 is not a factor of 5. In mathematics, a factor of a number is an integer that can be multiplied by another integer to produce the original number. In this case, 15 cannot be multiplied by any integer to result in 5, making it not a factor of 5.
Is 15 a factor of 15?
Yes, 15 is a factor of 15. Every number has itself and 1 as a factor.
Which of these numbers is not a actor of 15 1 2 3 or 5?
2 is not a factor of 15, or any odd number.
What are com-man factors 15?
There's no such thing as "common factors" of a single number."Common" means "same for both".A "common" factor is a number that's a factor of at least two different numbers.The factors of 15 are: 1, 3, 5, and 15.Find another number that also has any of these as a factor, and you'll have a 'common' factor.
What is the second greatest factor of any number and how does this relate to the greastest factor of any number?
The greatest factor of any number is the number itself. The second greatest factor of any even number is half the number. The second greatest factor of any composite number is the number divided by its smallest prime factor. The second greatest factor of any prime number is 1.
Is 10 a factor of 15 or 25?
No, 10 is not a factor of either 15 or 25. Any number for which 10 is a factor will end in 0. Both 15 and 25 have 5 as a factor, but not 10.
Which number is not a common factor 15 45 and 90?
A common factor refers to a factor that is COMMON to two or more numbers. You have only one number in the question! Any integer greater than 154590 is not a factor.
What 3 numbers have a factor of 3?
There are an infinite number of numbers with 3 as a factor. Any number evenly divisible by 3 has 3 as a factor. That means 6, 9, 12, 15, 18, ..., all have 3 as a factor.
Why do not need to go further than 5 for greatest common factor of 15?
Because 5 is the second highest factor of 15. Unless 15 is a factor of the other number, there can't be any other choices higher than 5.
What is the greatest common factor of 9 and 15 and 63?
The greatest common factor (GCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The greatest factor of any number is itself.
