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The factors of 245 are 1, 5, 7, 35, 49, and 245.

The prime factors of 245 are 5, 7, and 7.

Determining the prime factors:

The process of prime factorization is one of repeated division by primes, while obtaining a quotient without a remainder, until the process yields a quotient of 1

245 is not divisible by 2 or by 3

245 ÷ 5 = 49 ................................. 5 is a prime factor of 245

49 is not divisible by 5

49 ÷ 7 = 7 ..................................... 7 is a prime factor of 245

7 ÷ 7 = 1 ....................................... 7 is a prime factor of 245

So the prime factorization of 245 are 5 x 7 x 7 or, in index form (in other words, using exponents), 5 x 72.

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Q: What are the factors and prime factors of 245?
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