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