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