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