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