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