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