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