# Prime factorization of 261

Here you will see step by step solution of prime factorization of 261, how to find factors of 261, you will see all factors of 261, how many factors of 261 has? Factors of 261 are 1, 3, 9, 29, 87, 261, we can see that 261 has 6 factor and sum of all factors is 390.

• All Factors of 261: 1, 3, 9, 29, 87, 261
• Prime Factors of 261: 3 × 3 × 29
• Prime Factorization of 261: 32 × 291
• Sum of Factors of 261: 390
• Is 261 prime number: No

### How to find factors of 261 by Division Method?

To find the factors of 261 by division method, we need the find the all numbers between 1 to 261, which divide 261 with 0 remainder, then the number is factor of 261.

### Pair factors of 261

• 261/1 = 261 [ 1 × 261 (1, 261) 1 and 261 is pair factor of 261]
• 261/3 = 87 [ 3 × 87 (3, 87) 3 and 87 is pair factor of 261]
• 261/9 = 29 [ 9 × 29 (9, 29) 9 and 29 is pair factor of 261]
• 261/29 = 9 [ 29 × 9 (29, 9) 29 and 9 is pair factor of 261]
• 261/87 = 3 [ 87 × 3 (87, 3) 87 and 3 is pair factor of 261]
• 261/261 = 1 [ 261 × 1 (261, 1) 261 and 1 is pair factor of 261]

As we checked numbers between 1 to 261 that are not leaving any remainder, hence we can say factors of 261 is 1, 3, 9, 29, 87, 261.

Also note that, in exponential form prime factorization of 261 is written as 32 × 291 and it is a composite number.

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