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