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