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