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