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