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