196 = 22 x 72
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To find the prime factorization, start with any factor pair of 196 and keep facoring until all factors are prime. 196 2 x 98 2 x 2 x 49 2 x 2 x 7 x 7 To write it in exponential form write the 2 and 7 with exponents: 22 x 72 = 196
196 = 2 * 2 * 7 * 7
196 = 2 x 98 = 22 x 49 = 22 x 72
The Prime Factors of 196 are 2, 7
How about: 191+5 = 196 which are both prime numbers