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