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# What are the factors of 72 that are prime numbers?

Updated: 4/28/2022

Wiki User

13y ago

The prime factors of 72 are: 2 and 3.

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13y ago

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Q: What are the factors of 72 that are prime numbers?
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### What are the prime factors and prime factors of 72?

Prime factors are the prime numbers that can be multiplied by a whole number to reach the objective. For 72, the prime factors are 2 and 3. Other factors include 1, 4, 6, 8, 9, 12, 18, 24, 36 and 72. The prime factorization is 2 x 2 x 2 x 3 x 3 = 72

### Do larger numbers always have more prime factors?

Not necessarily. 73 has far fewer prime factors than 72.

### Write an equation that shows 72 as a product of prime numbers?

As a product of its prime factors: 2*2*2*3*3 = 72

### What are the prime factors for 72?

The prime factors for 72 are: 2, 3

### What is the co-prime number for 72?

"The" co-prime number is wrong; for any number, there are infinitely other numbers that are co-prime with it, not just one. Get the prime factors for 72. Then, any number made up of factors that DON'T include those prime factors is co-prime with 72. For example, 49 (which is 7 x 7), or 35 (5 x 7) are coprime with 72, since neither 5 nor 7 are among the prime factors of 72.

### Are all the factors of 72 are multiples of the prime factors of 72?

Apart from 1, all of the other factors of 72 are multiples of prime factors.

### How many prime factors does 72 have?

There are only 2 prime factors for 72. They are 2 and 3, since 72 = 2X2X2X3X3. Therefore, the 2 prime factors for 72 are 2 and 3.

### How many prime factors of 72 are there?

There are two prime factors of 72: 2 and 3.

### Which shows all the prime factors for 72?

The prime factors of 72 are 2 and 3.

### What is the lcm of 72 and 147 using prime numbers?

The first step in using primes for finding LCM is to find the factors of the given numbers. The LCM of the given numbers is the product of all the prime factors to their greatest power.Prime factors of 72 are 23 x 32Prime factors of 147 are 3 x 72The LCM of 72 and 147 is 23 x 32 x 72 = 8 x 9 x 49 = 3528

### What is the HCF of 72 and 27?

To work this out, you first need to break the numbers down into their prime factors. This gives: 72 = 2x2x2x3x3 27 = 3x3x3 The next step is to identify any common prime factors. In this case both numbers have two 3s as prime factors. Multiply these together and you get: 3x3 = 9 Therefore the HCF of 72 and 27 is 9.

### What are the common factors of 72?

There are no common factors of 72 because there cannot be common factors without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The prime factors of 72 are 2, 2, 2, 3, and 3.