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 {11, 19, 27, 29, 5, 9} → ______
- Prime numbers in {12, 2, 11, 23, 5, 21} → ______
- Prime numbers in {9, 15, 8, 7, 3, 27} → ______
- Prime numbers in {7, 9, 13, 8, 21, 19} → ______
- Prime numbers in {29, 9, 17, 2, 3, 21} → ______
- Prime numbers in {29, 3, 19, 15, 2, 23} → ______
- Prime numbers in {21, 19, 27, 7, 11, 17} → ______
- Prime numbers in {2, 9, 5, 12, 29, 3} → ______
- Prime numbers in {17, 21, 12, 8, 3, 25} → ______
- Prime numbers in {25, 29, 17, 7, 2, 19} → ______
- Prime numbers in {12, 2, 15, 7, 23, 29} → ______
- Prime numbers in {7, 5, 17, 29, 19, 15} → ______
- Prime numbers in {7, 27, 25, 12, 29, 11} → ______
- Prime numbers in {19, 8, 5, 15, 23, 3} → ______
- Prime numbers in {9, 5, 19, 15, 29, 7} → ______
- Prime numbers in {7, 25, 21, 27, 3, 12} → ______
- Prime numbers in {19, 11, 13, 25, 9, 15} → ______
- Prime numbers in {15, 13, 5, 12, 9, 3} → ______
- Prime numbers in {23, 11, 9, 13, 29, 21} → ______
- Prime numbers in {21, 19, 29, 27, 17, 12} → ______