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