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