245 = 5 x 49 = 5 x 7 x 7
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the prime factorizatation of 30 is 30 ^ 10x3 ^ 5x2 =5x2x3
sum of prime factors of 245 = 12factors of 245: 1, 5, 7, 35, 49, 245.prime factors of 245: 5 & 7sum of prime factors of 245: 5 + 7 = 12
5 x 72 = 245
It is: 51*72 = 245
175/245 = 35/49 = 5/7 these are both prime numbers