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