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