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