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