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