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