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What is the sum of the factors of 20?
1 + 2 + 4 + 5 + 10 + 20 = 42
Find two factors of 42 with a sum of 13?
Hint: review your multiplication table-- does not 42 ring a bell? What times what makes 42? Is their sum 13? ?? bingo!!
What are the two prime number of the sum 42?
42 has three prime factors: 2, 3 and 7
What does sum of digit of factors of 3?
The factors of 3 are 1 and 3. The sum of the digits of these factors is calculated as follows: for 1, the sum of its digits is 1, and for 3, the sum of its digits is 3. Therefore, the total sum of the digits of the factors of 3 is 1 + 3 = 4.
What is the sum of the positive prime factors of 42?
42=2*3*7 2+3+7 = 12
Is there any number that is the sum of its factors?
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What is the sum of all the common factors of 42 and 48?
It is only possible to have one even prime factor of any number - as there is only one even prime number, 2. The sum of these is therefore 2.
What is the sum of the proper factors of 50?
2 + 5 + 10 + 25 = 42
What are the factors of 42 and 7?
The factors of 7 are 1, 7. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42.
Which expression shows the sum (7 plus 42) rewritten as a product of the GCF and a sum?
GCF(7, 42) = 77 = 7*1 and 42 = 7*6 So 7 + 42 = 7*(1 + 6).
What are the common factors of 42 and 273?
The common factors of 42 and 273 are 1, 3, 7 and 21.
What are the factors of 25 and 42?
Factors of 25: 1, 5, 25 Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42
