Question

a
urmont
Then multiplied together
said that 21 is a prime number,
composite). By prime factorisation
Who is right? Explain.
Help the pirates to find their secret island by following the path of prime me
Ve may use a factor tree
159
42 / 42 104 119 41 114 77 129 60 110 111
30 12
3
63 55 79 71 103 48 53 128 4220
137 67 43 20 79 139 1942
12 116 81 106 50 159 is divisible by 3 as
159 is not divisible by
107 24 42 / 38 33 106 24
70
40 102 138 82 108 53 is a prime number
67 63 56 35
112 77 134 57 3 is a prime number-
131 133/ 8024
30 56 30
30 134 138 138
The prime factorisat
7 113
3
26
85 68 138 39
120 70 137 8
Let us take anothe
factors.
5
41
35 38
26 25 131 30
Example: Find the
102 83 138 60
102 110 59
54 18 102 95 1294
9
There is a zero at
63 x 10. Both of t)
109 97 46
108 113 17 35 25 20
18 74 80 22
22 52 59 105
88 13 138 134 7 113 11 47 139 12 131 19 69
The other factor.
9 which is 3 x 3.
123 131 43 13 11 22 68 108 137 5 113 102 134
ctors​

Answer 1

Step-by-step explanation:

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