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