How about: 5-4 = 1
samllest factors of 250 are 50 and 5 and the sum of 50 and 5 is 50+5=55
10 and -5 are factors of -20.
Factors for 20 are: 1, 2, 4, 5, 10, 20 Prime Factors: 2, 5 sum of prime factors = 2 + 5 = 7
Factors are: 3, 5, 9, 15, 19, 45, 57, 95, 171, 285 Prime Factors are: 3, 5 and 19
Add them up. The prime factors of 30 are 2, 3 and 5. You can handle the rest.
The odd factors of 70 are: 1, 5, 7, and 35. The sum of these factors is 48.
The distinct prime factors of 550 are 2, 5 and 11. They add up to 18.
-5 and +5
The prime factors are: 2 and 5 (2+5 = 7)
The odd positive integer factors of 70 are: 1 5 7 35 The sum of these factors is 1 + 5 + 7 + 35 = 48
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