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What are all the factors pairs of 63?
(63,1)(21,3)(9,7)
What does it mean find possible group sizes by writing all factors for 28?
They're looking for factor pairs. (28,1)(14,2)(7,4)
How can finding factor pairs help with finding all of the factors number?
If you know the prime factorization of a number, you can find out the total number of factors. Example: 210 2^1 x 3^1 x 5^1 x 7^1 = 210 Add one to the exponents and multiply them. 2 x 2 x 2 x 2 = 16, the total number of factors.
Explain how to find all the factor pairs of40?
From the rules of divisibility, we know that 40 is divisible by 1, 2, 4 and 5. Divide those numbers into 40 to get the rest. (40,1)(20,2)(10,4)(8,5)
How do you find the largest square factor of whole numbers?
The long but fool-proof way is to find the complete prime factorisation of the number. Then group all the factors into pairs, rejecting any that cannot be paired. The product of the numbers that are left is the largest square factor.
How do you find all the factors pairs of 32?
Divide by two. (32,1)(16,2)(8,4)
What are all the factors pairs of 21?
21,1 and 7,3
What are all the factors pairs of 63?
(63,1)(21,3)(9,7)
What are All pairs of factors of 18?
1,18 2,9 3,6
What does it mean find possible group sizes by writing all factors for 28?
They're looking for factor pairs. (28,1)(14,2)(7,4)
What does factor pairs mean?
All numbers have factors. It is possible to list them as pairs. The factors of 12 are 1, 2, 3, 4, 6 and 12. The factor pairs of 12 are (12,1)(6,2)(4,3)
Why do all non square numbers have even factors?
The factors of all numbers can be written in pairs. With square numbers, one of those pairs is the same number twice. When listed singly, square numbers have an odd number of factors. All others are even.
All the pairs of factors of 950?
The factor pairs of 950 are: 950,1 / 475,2 / 190,5 / 95,10 / 50,19 / 38,25
How can finding factor pairs help with finding all of the factors number?
If you know the prime factorization of a number, you can find out the total number of factors. Example: 210 2^1 x 3^1 x 5^1 x 7^1 = 210 Add one to the exponents and multiply them. 2 x 2 x 2 x 2 = 16, the total number of factors.
Which lists shows all the factors pairs of 49?
1,49: 7,7
What are all the factors pairs of 54?
(54,1)(27,2)(18,3)(9,6)
Explain how to find all the factors of 75?
Divide by three and five. 1, 3, 5, 15, 25, 75
