1. Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24
Factors of 32: 1, 2, 4, 8, 16, 32
HCF = 8
2. Factors of 8: 1, 2, 4, 8
Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36
HCF = 4
3. Factors of 14: 1, 2, 7, 14
Factors of 19: 1, 19
HCF = 1
4. Factors of 10: 1, 2, 5, 10
Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30
HCF = 10
5. Factors of 5: 1, 5
Factors of 7: 1, 7
HCF = 1
6. Factors of 28: 1, 2, 4, 7, 14, 28
Factors of 35: 1, 5, 7, 35
HCF = 7
7. Factors of 31: 1, 31
Factors of 21: 1, 3, 7, 21
HCF = 1
8. Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42
Factors of 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
HCF = 6
9. Factors of 81: 1, 3, 9, 27, 81
Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36
HCF = 9
10. Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30
Factors of 63: 1, 3, 7, 9, 21, 63
HCF = 3
Parent Tip: Review the logic above to help your child master the concept of factors worksheet 4th grade.