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