Q1: From the list of numbers 3 5 7 9 11 15 24 (a) Write down a factor of 12 (b) Write down a factor of 28 (c) Write down a factor of 81 Q2: Express 100 as a product of its prime factors using factor tree. Q3. A number is written as a product of its prime factors as 2 × 3² × 5 Work out the number. Q4: Check if 151 is a prime number? answer them all
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Answer:
Q1. a) 3
b) 7
c) 9
(Q 2 is quite hard to type so I'll do at last)
Q3. 2 × 9× 5
= 18 ×5
= 90
Q4. yes, it is a prime number.
Q2. 100
10 10
5 2 5 2
(hope you understand it)
mark as brainlist if you are satisfied with the answer
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