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# Which prime numbers do we multiply to make 20?

Updated: 10/19/2022

Wiki User

8y ago

20 = 2 x 2 x 5

Wiki User

8y ago

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Q: Which prime numbers do we multiply to make 20?
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20 = 2 x 2 x 5

2 x 2 x 5 = 20

### What 2 prime numbers equal 20?

7 + 13 = 20 Note that there are no two prime numbers x and y that multiply to 20.

### Are prime factors and prime factorization the same?

No. Prime factors are the numbers that make up other numbers, but they have to be prime. Prime factorisation is the process of finding the prime numbers that create a number. This is when you multiply the prime numbers together and the product is the original number. For example: 20 5x4 5x2x2 This process is called prime factorisation. In this case, the prime numbers are 2, 2, and 5.

### Which to prime numbers make 20?

They are: 13+7 = 20

### How do you find the LCM of 20 and 250?

Prime factors of 20 are: 22 and 5 Prime factors of 250 are: 2 and 53 Multiply the highest prime numbers: 22*53 = 500 which is the LCM

2 x 2 x 5 = 20

### What are Prime numbers 1-20?

These are the prime numbers 1-20 2,3,5,7,11,13,17,19

60

### What is the HCF of 20 and 12?

To work this out, you need to write both numbers as their prime factors: 20 = 2x2x5 12 = 2x2x3 The next step is to identify any common prime factors. In this case both numbers have two 2s as prime factors. Multiply these together and you get 4. Therefore 4 is the HCF of 20 and 12.

### Find the difference between two prime number 20 and 30?

The question does not make sense since 20 and 30 are not prime numbers!

### What 2 numbers add to make 1 and multiply to make -20?

-4 x 5 = -20 and -4 + 5 = 1.