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