Q: What number less than a 100 has the greatest factors?

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47 is the greatest prime number less than 48.

The greatest prime number less than 200 is 199.

The greatest composite number that is less than 100 is 99. Its factors are 1, 3, 9, 11, 33, and 99. It can't be prime because it has factors other than 1 and itself.

Short answer: There is none. There are not common factors of a single number 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. Thus, there cannot be a single number that has the greatest number of common factors.

There are a few numbers that are less than 19 and have more than 4 factors. The number 10 is less than 19 and has more than four factors.

Related questions

12

48

The three greatest whole numbers less than 200 that each have an odd number of factors are 144, 169 and 196.

60, 72, 84, 90 and 96 each have twelve factors.

What is the greatest palindromic number less than 999?

60, 72, 84, 90 and 96 are tied with 12.

the greatest prime number less than 200 is 199

47 is the greatest prime number less than 48.

The greatest prime number less than 200 is 199.

The greatest possible 'length' comes from the number with the greatest number of prime factors. The greatest number of factors is created by using the smallest prime number, 2, as a factor as many times as possible. Since 2^9=512 and 2^10=1024, the greatest possible 'length' of a positive integer less than 1000 is 9.

The greatest composite number that is less than 100 is 99. Its factors are 1, 3, 9, 11, 33, and 99. It can't be prime because it has factors other than 1 and itself.

The greatest number that is less than 30 is 29.Becuase the only prime numbers that are less then 100 are:2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,59,61,67,71,73,79,83,89 and 97.So as you seen the greatest number that is less than 30 is 29.