Factors Prime Multiples And Square Numbers Worksheet Page 2
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15Q1.
Here are three digit cards
Choose two cards each time to make the following two-digit numbers.
The first one is done for you.
an even number
a prime number
a common factor of 60 and 90
a common multiple of 5 and 13
2 marks
Q2.
Any number can be written as a product of its prime factors,
for example:
20 = 2 × 2 × 5
Write 90 as a product of its prime factors.
90 = ______________
1 mark
Q3.
Write all the numbers between 50 and 100 that are factors of 180
...........................................................
2 marks
Page 2 of 15
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