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