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# What number less than 100 has exactly 4 prime factors?

Updated: 4/28/2022

Wiki User

15y ago

There is more than one possible answer.

The prime factors of 16 are 2, 2, 2, and 2. It has four prime factors, but only one distinct prime factor.

The prime factors of 24 are 2, 2, 2, and 3. It has four prime factors, but only two distinct prime factors.

The prime factors of 36 are 2, 2, 3, and 3. It has four prime factors, but only two distinct prime factors.

The prime factors of 40 are 2, 2, 2, and 5. It has four prime factors, but only two distinct prime factors.

The prime factors of 54 are 2, 3, 3, and 3. It has four prime factors, but only two distinct prime factors.

The prime factors of 56 are 2, 2, 2, and 7. It has four prime factors, but only two distinct prime factors.

The prime factors of 60 are 2, 2, 3, and 5. It has four prime factors, but only three distinct prime factors.

The prime factors of 81 are 3, 3, 3, and 3. It has four prime factors, but only one distinct prime factor.

The prime factors of 84 are 2, 2, 3, and 7. It has four prime factors, but only three distinct prime factors.

The prime factors of 88 are 2, 2, 2, and 11. It has four prime factors, but only two distinct prime factors.

The prime factors of 90 are 2, 3, 3, and 5. It has four prime factors, but only three distinct prime factors.

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15y ago

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Q: What number less than 100 has exactly 4 prime factors?
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Related questions

### What are all the numbers less than 100 with exactly 3 factors that are prime?

By definition, a prime number has exactly two factors. So, there are no prime numbers with exactly three factors.

### What is the number that is less than 160 has exactly three different prime factors what is the number?

How about 105 whose prime factors are 3, 5 and 7

105

27

### What whole number less than 100 have exactly 3 factors?

The square of any prime number has exactly three factors: 22, 32, 52, etc.

### Is there a number less than 160 that has exactly 3 prime factors?

I found 105,63 and 27

### What is the odd number that is less than 160 has exactly three prime factors?

105 is one such number.

### What 3 numbers less than 50 have exactly 2 factors?

Every prime number has exactly two factors. They are '1' and the number itself. There are 15 prime numbers less than 50. A few of them are 2, 3, 5, 7, 11, 13, and 47.

### How do you identify prime numbers less than 100?

Numbers can be checked to see if they are primes simply by factoring them. Every prime number has exactly two factors, 1 and the number itself. If there are more or less than 2 factors, the number is not a prime. 1 has only one factor so it is not a prime, and composite numbers have 3 or more factors.

### What is special about number that are less than 50 and exactly 3 factors?

Nothing special. They are squares of prime numbers.

### What number is an odd number that is less than 160 that has exactly 3 different prime factors?

105 and the primes are 3, 5, and 7