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Q: How many prime factors are there in 1-420?

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30 has three prime factors. The prime factors are 2,3,5.

Three distinct prime factors.

420 has four prime factors: 2,3,5,7

A prime number has only two factors which are itself and one.

420 has four prime factors. Prime factors don't usually travel in pairs.

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There is neither a greatest common factor nor common factors of a single number, such as 1420 because there cannot be any form of common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common. Thus, since there are not two or more numbers to compare, there are neither common factors nor a greatest common factor. The factors of 1420 are 1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, and 1420. The prime factors of 1420 are 2, 2, 5, and 71. Examples: The greatest common factor of 32 and 1420 is 4. The greatest common factor of 213 and 1420 is 71. The greatest common factor of 580 and 1420 is 20.

28 has two prime factors. The prime factors are: 2,7

30 has three prime factors. The prime factors are 2,3,5.

Two prime factors.

Two prime factors

4 prime factors

Prime numbers have two factors.

There are infinitely many prime factors.

Two distinct prime factors, six total prime factors.

Two distinct prime factors

It has 5 prime factors namely 2,3,5,7,11

The prime factors of 88 are 2 and 11

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