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