Factors of 98
There are 6 factors of 98 — the full list is below, with factor pairs, prime factorization, and divisibility notes.
Factors of 98
1, 2, 7, 14, 49, 98
Factor pairs of 98
- 1 × 98
- 2 × 49
- 7 × 14
Prime factorization of 98
98 = 2 × 7²
Number facts
- 98 is a composite number.
- 98 has 6 factors.
- 98 is not a perfect square.
- The sum of all factors of 98 is 171.
Divisibility rules that apply to 98
- 98 is divisible by 2 because it ends in an even digit (0, 2, 4, 6, or 8).
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How the factors of 98 are calculated
To find the factors of 98, every whole number from 1 up to the square root of 98(about 9.90) is tested for even division. 98 is even, and it divides evenly by 2, 7, 14, 49. Written as a product of primes, 98 = 2 × 7², which confirms every factor above is a combination of those prime building blocks.
Frequently asked questions about 98
How many factors does 98 have?
98 has 6 factors: 1, 2, 7, 14, 49, 98.
Is 98 a prime number?
No. 98 is composite because it has factors other than 1 and itself.
What are the factor pairs of 98?
The factor pairs of 98 are 1 × 98, 2 × 49, 7 × 14.
What is the prime factorization of 98?
The prime factorization of 98 is 2 × 7².