I'll solve this prime factor tree problem step by step, finding the prime factors for each number.
Let me work through each number carefully:
15:
- 15 = 3 × 5
- Both 3 and 5 are prime numbers
- Answer: 15 = 3 × 5
21:
- 21 = 3 × 7
- Both 3 and 7 are prime numbers
- Answer: 21 = 3 × 7
25:
- 25 = 5 × 5
- 5 is a prime number
- Answer: 25 = 5 × 5 (or 5²)
35:
- 35 = 5 × 7
- Both 5 and 7 are prime numbers
- Answer: 35 = 5 × 7
49:
- 49 = 7 × 7
- 7 is a prime number
- Answer: 49 = 7 × 7 (or 7²)
51:
- 51 = 3 × 17
- Both 3 and 17 are prime numbers
- Answer: 51 = 3 × 17
55:
- 55 = 5 × 11
- Both 5 and 11 are prime numbers
- Answer: 55 = 5 × 11
57:
- 57 = 3 × 19
- Both 3 and 19 are prime numbers
- Answer: 57 = 3 × 19
65:
- 65 = 5 × 13
- Both 5 and 13 are prime numbers
- Answer: 65 = 5 × 13
Final Answer:
15 = 3 × 5
21 = 3 × 7
25 = 5 × 5
35 = 5 × 7
49 = 7 × 7
51 = 3 × 17
55 = 5 × 11
57 = 3 × 19
65 = 5 × 13
Parent Tip: Review the logic above to help your child master the concept of factor tree worksheet grade 6.
