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