Go through the Math in Focus Grade 6 Workbook Answer Key Chapter 1 Lesson 1.2 Prime Factorization to finish your assignments.
Math in Focus Grade 6 Course 1 A Chapter 1 Lesson 1.2 Answer Key Prime Factorization
Math in Focus Grade 6 Chapter 1 Lesson 1.2 Guided Practice Answer Key
Complete.
Question 1.
Express 48 as a product of its prime factors.
Answer:
Method 1
Method 2
Math in Focus Course 1A Practice 1.2 Answer Key
Question 1.
Copy the array of numbers. Circle all the prime numbers.
Answer:
Explanation:
I circled all the prime numbers between 1 and 30.
Express each number as a product of its prime factors.
Question 2.
6
Answer:
6 = 2 x 3
Explanation:
2 and 3 are the prime factors of 6.
Question 3.
15
Answer:
15 = 3 x 5
Explanation:
3 and 5 are the prime factors of 15.
Question 4.
36
Answer:
36 = 2 x 2 x 3 x 3
Explanation:
2 and 3 are the prime factors of 36.
Question 5.
78
Answer:
78 = 2 x 3 x 13
Explanation:
2, 3 and 13 are the prime factors of 78.
Question 6.
184
Answer:
184 = 2 x 2 x 2 x 23
Explanation:
2 and 23 are the prime factors of 184.
Question 7.
360
Answer:
360 = 2 x 2 x 2 x 3 x 3 x 5
Explanation:
2, 3 and 5 are the prime factors of 360.
Question 8.
24
Answer:
24 = 2 x 2 x 2 x 3
Explanation:
2 and 3 are the prime factors of 24.
Question 9.
49
Answer:
49 = 7 x 7
Explanation:
7 is the only prime factor of 49.
Question 10.
81
Answer:
81 = 3 x 3 x 3 x 3
Explanation:
3 is the prime factor of 81.
Question 11.
144
Answer:
144 = 2 x 2 x 2 x 2 x 3 x 3
Explanation:
2 and 3 are the prime factors of 144.
Question 12.
245
Answer:
245 = 5 x 7 x 7
Explanation:
5 and 7 are the prime factors of 245.
Question 13.
510
Answer:
510 = 2 x 3 x 5 x 17
Explanation:
2, 3, 5 and 17 are the prime factors of 510.
Question 14.
250
Answer:
250 = 2 x 5 x 5 x 5
Explanation:
2 and 5 are the prime factors of 250.
Question 15.
1,089
Answer:
1089 = 3 x 3 x 11 x 11
Explanation:
3 and 11 are the prime factors of 1089.
Question 16.
4,725
Answer:
4725 = 3 x 3 x 3 x 5 x 5 x 7.
Explanation:
3, 5 and 7 are the prime factors of 4725.
Question 17.
900
Answer:
900 = 2x 2 x 3 x 3 x 5 x 5
Explanation:
2, 3 and 5 are the prime factors of 900.
Question 18.
27,000
Answer:
27000 = 2x 2 x 2 x 3 x 3 x 3 x 5 x 5 x 5.
Explanation:
2, 3 and 5 are the prime factors of 27000.
Solve.
Question 19.
Math Journal Describe the steps for finding the prime factors of 42.
Answer:
Question 20.
400 written as a product of its prime factors is 2 × 2 × 2 × 2 × 5 × 5. Write 800 as a product of its prime factors.
Answer:
2 x 2 × 2 × 2 × 2 × 5 × 5 = 800
Explanation:
800 written as a product of its prime factors is 2 x 2 × 2 × 2 × 2 × 5 × 5.
Question 21.
Given that 320 written as a product of its prime factors is 2 × 2 × 2 × 2 × 2 × 2 × 5, write 3,200 as a product of its prime factors.
Answer:
2 x 2 × 2 × 2 × 2 × 2 × 2 × 5 x 5 = 3200
Explanation:
3200 written as a product of its prime factors is 2 x 2 × 2 × 2 × 2 × 2 × 2 × 5 x 5 .
Question 22.
2,700 written as a product of its prime factors is 2 × 2 × 3 × 3 × 3 × 5 × 5. Write 270 as a product of its prime factors.
Answer:
2 × 3 × 3 × 3 × 5 = 270
Explanation:
270 written as a product of its prime factors is 2 × 3 × 3 × 3 × 5.
Question 23.
It is given that 4,800 can be expressed in terms of its prime factors as 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5.
a) Write 1,200 as a product of its prime factors.
Answer:
2 x 2 x 2 x 2 x 3 x 5 x 5 = 1200
Explanation:
1200 can be expressed in terms of its prime factors as 2 x 2 x 2 x 2 x 3 x 5 x 5.
b) Now, write 120 as a product of its prime factors.
Answer:
2 x 2 x 2 x 3 x 5 = 120
Explanation:
120 can be expressed in terms of its prime factors as 2 x 2 x 2 x 3 x 5 .