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20. What is the greatest prime factor of 3^7+6^6 ?
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20. What is the greatest prime factor of 3^7+6^6 ?

User Arslan Shakoor
by
3.8k points

1 Answer

8 votes

Answer:

67

Explanation:

3^7 = 2187

6^6 = 46656

46656+2187=48843

Prime factors of 48843: 3, 3, 3, 3, 3, 3, 67

Factor tree:

48843

| \

16281 3

| \

5427 3

| \

1809 3

| \

603 3

| \

201 3

| \

67 3

User Joseph Thomson
by
3.5k points
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