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