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