Finding the prime factors of 196:
196/2=98
98/2=49
49/7=7
=2x2x7x7
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The Prime Factors of 196 are 2, 7
196/2=98 98/2=49 49/7=7 =2x2x7
To find the highest common factor (HCF) of 126, 196, and 378, we first need to find the prime factors of each number. The prime factors of 126 are 2 x 3 x 3 x 7, the prime factors of 196 are 2 x 2 x 7 x 7, and the prime factors of 378 are 2 x 3 x 3 x 3 x 7. To find the HCF, we look for the common prime factors among the numbers, which are 2 and 7. Multiplying these common factors gives us the HCF, which is 14.
196 is not a prime number; it is divisible by several numbers such as 2, 4, and others.
1372 = 2*2*7*7*7 1372 has the factors: 1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372 The only prime factors are 2 and 7.