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