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