Is this correct? Explain
Yes - Every number can be broken down in to prime factors
What is the missing prime factor
13
Which number (other than 1) is a common factor of 14 and 35?
7
Select the numbers that are prime factors of both 294 and 315
3,7
Use the factor tree to write 36 as a product of its prime factors. Give your answer in the form a × b × . . . and write the factors in ascending order.
2 × 2 × 3 × 3
What is the next number in this sequence?
25
How old is Freddie?
14
What is the missing prime factor?
7
If you use the cards shown to write 132 as a product of its prime factors, which three cards will you have left over?
3,5,7
What are the common factors?
5, b, 5b
What are the first five square numbers?
1, 4, 9, 16, 25
Which number has more than 1 prime factor
12 = 2, 3,
Is this always, sometimes, or never a multiple of 4. Why?
Sometimes... when x=2, no as answer = 0
Which number is a prime number?
19
Which of the following numbers is a multiple of both 6 and 9?
18
Write 26 as a product of it's prime factors
13 x 2
Write 42 as a product of its prime factors. Give your answer in the form a × b × . . . and write the factors in ascending order.
2x3x7
5 is a factor of both 10 and 15. Which other number is a common factor of 10 and 15?
1
What number is represented by the prime factor tree
27
Which factor of 18 is missing from the table?
6
Which student is wrong?
Chantelle