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