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