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4 years ago

What is the greatest common factor of 49 and 84? 3 4 7 9

Mathematics

2 answers:

cluponka [151]4 years ago

7 0

The answer is 7 since neither 49 nor 84 are divisible by 9

bonufazy [111]4 years ago

6 0

49: 1 7, 49
84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

The GCF is 7

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frutty [35]

Answer:

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5 0

3 years ago

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zubka84 [21]

The HCF are

This is the common factor that is the highest that a group of numbers can have in common.

1. 6 and 15

factors of 6 = 1, 2, 3, 6

factors of 15: 1, 3, 5, 15

The HCF is the number they have in common = 3

2. 12 and 18

The factors of 12: 1, 2, 3, 4, 6, 12

The factors of 18: 1, 2, 3, 6, 9, 18

The HCF = 6

3. 15 and 24

Factors of 15: 1, 3, 5, 15

Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24

The HCF = 3

4. 24 and 36

The factors of 24: 1, 2, 3, 4, 6, 8, 12, 24

The factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36

The HCF : 12

5. 30 and 48

The factors of 30: 1, 2, 3, 5, 6, 10, 15, 30

The factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

The HCF = 6

6. 36 and 54

The factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36

The factors of 54: 1, 2, 3, 6, 9, 18, 27, 54

The hcf = 18

7. 32,40 and 56

The factors of 32: 1, 2, 4, 8, 16, 32

The factors of 40: 1, 2, 4, 5, 8, 10, 20, 40

The factors of 56: 1, 2, 4, 7, 8, 14, 28, 56

The HCF is 8

8. 28,42 and 70

The factors of 28: 1, 2, 4, 7, 14, 28

The factors of 42: 1, 2, 3, 6, 7, 14, 21, 42

The factors of 70: 1, 2, 5, 7, 10, 14, 35, 70

The HCF = 14

9. 30,75 and 90

The factors of 30: 1, 2, 3, 5, 6, 10, 15, 30

The factors of 75: 1, 3, 5, 15, 25, 75

The factors of 90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

The HCF is 15