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