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