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