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