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