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