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