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