What are the factors and prime factors of 98?

Answer 1

98 is a composite number because it has factors other than 1 and itself. It is not a Prime number.

The 6 factors of 98 are 1, 2, 7, 14, 49, and 98.

The factor pairs of 98 are 1 x 98, 2 x 49, and 7 x 14.

The proper factors of 98 are 1, 2, 7, 14, and 49, or

if the definition you are using excludes 1, they are 2, 7, and 14.

The prime factors of 98 are 2, 7, and 7. Note: There is repetition of these factors, so if the prime factors are being listed instead of the prime factorization, usually only the distinct prime factors are listed.

The 2 distinct prime factors (listing each prime factor only once) of 98 are 2 and 7.

The prime factorization of 98 is 2 x 7 x 7 or, in index form (in other words, using exponents), 2 x 72.

NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.

A factor tree of 98 (using periods for spacing) is

..98

../ \

7 x 14

....../ \

....2 x 7

So, the prime factors are 7, 2, and 7.
The factors of 98 are 1, 2, 7, 14, 49 and 98.