What numbers less than 100 have exactly 4 factors?

What numbers less than 100 have exactly 4 factors?

Answers: There are 32 numbers less than 100 with exactly four factors.

Which numbers has exactly 4 factors?

Some examples of numbers with exactly four factors are 6, 15, and 21. For 6, the factors are 1, 2, 3, and 6, and for 15, the factors are 1, 3, 5, and 15. Similarly, for 21, the factors are 1, 3, 7, and 21.

What numbers less than 100 have exactly 3 factors?

Question 10 We know that the numbers between 1 and 100 which have exactly three factors are 4, 9, 25 and 49. Factors of 4 are 1, 2 and 4. Factors of 9 are 1, 3 and 9. Factors of 25 are 1, 5 and 25.

What is the smallest number with 4 factors?

6 is the smallest number that have 4 factors.

Does the number 4 have 4 factors?

1 and 4 are always the factors of the number 4. To find the other factors of the number 4, we first find its prime factorization. The multiplicands of the prime factorization are the prime factors of the number 4.

What are the factors of 1 100?

Table of factors from 1 to 100

Number	Factors	Prime or Composite
97	1, 97	Prime
98	1, 2, 7, 14, 49, 98	Composite
99	1, 3, 9, 11, 33, 99	Composite
100	1, 2, 4, 5, 10, 20, 25, 50, 100	Composite

Can a number have 3 factors?

As it turns out, the only positive integers with exactly three factors are the squares of primes. For instance, the factors of 9 are 1, 3, and 9, and the factors of 49 are 1, 7, and 49.

What are the factor of 100?

The factors of 100 are 1, 2, 4, 5, 10, 20, 25, 50 and 100.

Which number has the least number of factors?

The number of factors of a number is finite. A factor of a number is always less than or equal to the given number. Every number except 0 and 1 has at least two factors, 1 and itself.

Which is the smallest number and?

0 is the smallest whole number. 1 is the smallest natural number.

What number less than 100 has the most factors?

The numbers under 100 with most factors are 60=22⋅3⋅5, 84=22⋅3⋅7, 96=25⋅3 and 72=23⋅32, which all have 12 factors.

How many factors are there in 100?

9 factors
Therefore, the number 100 has 9 factors.

What numbers less than 100 have exactly three factors?

Numbers less than 100 that have exactly three factors are four, nine, 25 and 49. All of these numbers are squares of prime numbers, which means that their only factors are one, themselves and their square roots. Two squared is four, three squared is nine, five squared is 25 and seven squared is 49.

How many prime numbers have 4 factors?

Any product of 2 prime numbers will have 4 factors. Any Prime number to the 3rd power will have 4 factors. Q: What numbers have exactly 4 factors under 100? Write your answer…

What numbers under 100 have the second highest number of factors?

Numbers under 100 that have the second-highest number of factors are 48 and 80, which each have 10 factors. What Is a Four-Function Calculator? Know Your Body (of Water!):

What are the odd numbers under 100 with odd numbers of factors?

The other numbers under 100 with odd numbers of factors are one, 16, 36 and 81. The numbers 16 and 81 have five factors, while 36 has nine factors. All three of these numbers are exponentially larger than a smaller positive integer. The number one has exactly one factor, which is itself.