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