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