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