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