Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {12, 5, 27, 2, 17, 23} → ______
- Prime numbers in {29, 9, 23, 13, 11, 15} → ______
- Prime numbers in {23, 29, 19, 25, 9, 11} → ______
- Prime numbers in {12, 15, 11, 21, 13, 2} → ______
- Prime numbers in {3, 29, 5, 9, 7, 25} → ______
- Prime numbers in {9, 29, 23, 7, 21, 19} → ______
- Prime numbers in {21, 17, 9, 15, 7, 23} → ______
- Prime numbers in {29, 25, 13, 19, 8, 9} → ______
- Prime numbers in {29, 12, 7, 9, 8, 17} → ______
- Prime numbers in {15, 2, 13, 9, 19, 25} → ______
- Prime numbers in {11, 5, 19, 27, 8, 21} → ______
- Prime numbers in {15, 13, 12, 11, 7, 9} → ______
- Prime numbers in {15, 12, 8, 19, 25, 11} → ______
- Prime numbers in {9, 3, 7, 13, 29, 15} → ______
- Prime numbers in {29, 2, 21, 9, 23, 7} → ______
- Prime numbers in {25, 3, 12, 17, 9, 19} → ______
- Prime numbers in {2, 15, 11, 9, 7, 19} → ______
- Prime numbers in {13, 29, 27, 12, 21, 15} → ______
- Prime numbers in {2, 21, 29, 3, 8, 5} → ______
- Prime numbers in {15, 13, 2, 29, 5, 19} → ______