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What is the sum of all the odd factors of 25?
31
What fraction of odd factors does 50 have?
50 has six factors: 1, 2, 5, 10, 25 and 50. Odd factors are 1, 5 and 25. Fraction for the odd factors is 3/6 or 1/2. So it means 1/2 of factors of 50 are odd factors.
All the numbers that has 3 factors?
All the numbers above 2 that are the squares of odd primes have exactly 3 factors: 1, the odd prime, and the odd prime squared. 4, 9, 25, 49, 81, 121,...
What odd number has 3 factors?
9, 25, 49 and so on. Prime squares have three factors and other than 4, they are all odd numbers.
What are the odd composite factors of 50?
25.
Do all odd numbers have other odd numbers as their factors?
Yes, the factors of all odd numbers are odd numbers.
Which number has a odd amount of factors?
Square numbers have odd amounts of factors because the square root is listed as a single factor, not a pair of factors. For example, the factors of 25 are 1, 5, 25.
Why are all the factors of 55 odds?
Because 55 is an odd number. All the factors of odd numbers are odd.
Does composite numbers have an odd number of factors?
Composite numbers can have either an odd number or an even number of fractions. Factors of 25 are 1, 5, 25 . (odd number of them) Factors of 26 are 1, 2, 13, and 26 . (even number of them)
Does all numbers have an even number of factor?
No. Any square number has an odd number of factors e.g. 25 = 1, 25, 5
What are all the odd factors of 20?
1 and 5 are the factors of 20 which are odd.
Is all factors of 48 even or odd?
48 has both even and odd factors.
