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Q: What two prime numbers are factors of 20 30 40 50 60?

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Prime numbers only have factors of 1 and themselves: 23, 29

A number will always have 1 and itself as factors. And thus the only numbers with 2 factors will be prime numbers. The only prime numbers below 20 are 2, 3, 5, 7, 11, 13, 17 and 19, and thus these are the only numbers below 20 that have 2 factors.

First you need to split the numbers down into their prime factors: 20 = 2x2x5 16 = 2x2x2x2 The next step is to identify any common factors. In this case, both numbers have two 2s as prime factors. Multiply these together and you get: 2x2 = 4 Thus the HCF of 20 and 16 is 4.

Prime factors are prime numbers that are multiplied with other numbers (taht could possibly be prime) to make a product. Prime factorisation is the process of finding the prime numbers that create another number when they are multiplied together. Example of Prime Factorisation: 20 2x10 2x2x5 The prime factors found are 2,2, and 5. When multiplying these together, you will get 20. The process of finding these prime numbers is called factorisation.

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

Related questions

20 has two prime factors which are 2 and 5

The prime factors of 20 are 2, 2, and 5.

The prime factorization of 20 is 2 x 2 x 5. That's three prime factors; two distinct prime factors.

The prime factors of 20 are 2x2x5.

No because they are composite numbers having more than two factors

Twenty is composite. It has the factors 1, 2, 4 ,5, 10, and 20. Prime numbers have exactly two factors. Composite numbers have three or more.

Because the other numbers have more than two factors

'''They called composite numbers.''' '''Composite numbers are when they have more than two factors.''' '''A prime number is when it only has 2 factors no more or less.''' '''EX : 20''' '''Factors Of 20 : 1, 20, 2, 10, 4, 5.'''

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.

They are the only ones with just two factors.

Prime numbers only have factors of 1 and themselves: 23, 29

Prime numbers between the given numbers are 23 and 29

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