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