# Prime Factors of 1564

Prime Factors of 1564 are 2, 2, 17, and 23

#### How to find prime factors of a number

 1.   Prime Factorization of 1564 by Division Method 2.   Prime Factorization of 1564 by Factor Tree Method 3.   Definition of Prime Factors 4.   Frequently Asked Questions

#### Steps to find Prime Factors of 1564 by Division Method

To find the primefactors of 1564 using the division method, follow these steps:

• Step 1. Start dividing 1564 by the smallest prime number, i.e., 2, 3, 5, and so on. Find the smallest prime factor of the number.
• Step 2. After finding the smallest prime factor of the number 1564, which is 2. Divide 1564 by 2 to obtain the quotient (782).
1564 ÷ 2 = 782
• Step 3. Repeat step 1 with the obtained quotient (782).
782 ÷ 2 = 391
391 ÷ 17 = 23
23 ÷ 23 = 1

So, the prime factorization of 1564 is, 1564 = 2 x 2 x 17 x 23.

#### Steps to find Prime Factors of 1564 by Factor Tree Method

We can follow the same procedure using the factor tree of 1564 as shown below:

So, the prime factorization of 1564 is, 1564 = 2 x 2 x 17 x 23.

#### What does Prime factor of a number mean?

A prime number in mathematics is defined as any natural number greater than 1, that is not divisible by any number except 1 and the number itself. When we express any number as the product of these prime numbers than these prime numbers become prime factors of that number. Eg- Prime Factors of 1564 are 2 x 2 x 17 x 23.

#### Properties of Prime Factors

• For any given number there is one and only one set of unique prime factors.
• Any number can have only 1 even prime factor and that is number 2.
• Two prime factors are always coprime to each other.
• 1 is the factor of any given number, but 1 is neither a prime number nor a composite number. So, 1 is the factor of 1564 but not a prime factor of 1564.

• Which is the smallest prime factor of 1564?

Smallest prime factor of 1564 is 2.

• What is the prime factorization of 1564?

Prime factorization of 1564 is 2 x 2 x 17 x 23.

• What are the factors of 1564?

Factors of 1564 are 1 , 2 , 4 , 17 , 23 , 34 , 46 , 68 , 92 , 391 , 782 , 1564.

• Is 1564 a prime number or a composite number?

1564 is a composite number.

• Is 1564 a prime number?

false, 1564 is not a prime number.

• Which is the largest prime factors of 1564?

The largest prime factor of 1564 is 23.

• What is the sum of all prime factors of 1564?

Prime factors of 1564 are 2 x 2 x 17 x 23. Therefore, their sum is 44.

• What numbers are the prime factors of 1564?

Prime factors of 1564 are 2 , 2 , 17 , 23.

• What is the sum of all odd prime factors of 1564?

Prime factors of 1564 are 2 , 2 , 17 , 23, out of which 17 , 23 are odd numbers. So, the sum of odd prime factors of 1564 is 17 + 23 = 40.