Find the common prime factors of 28,70 and 105
Answers
Answered by
2
Answer:
The common prime factor is 7.
Step-by-step explanation:
The prime factors of 28 = 2x2x7
The prime factors of 70 = 2x5x7
The prime factors of 105 = 3x5x7
Thus the common prime factor is 7 .
Answered by
1
Answer:
Prime factors of 28 are written as 2 × 2 × 7
70 are written as 2 x 5 x 7
105 are written as 3×5×7
→ the common prime factors of 28,70 and 105 is 7
Similar questions