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