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