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