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